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diff --git a/thirdparty/bullet/src/LinearMath/btAlignedAllocator.h b/thirdparty/bullet/src/LinearMath/btAlignedAllocator.h
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+++ b/thirdparty/bullet/src/LinearMath/btAlignedAllocator.h
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+/*
+Bullet Continuous Collision Detection and Physics Library
+Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+
+This software is provided 'as-is', without any express or implied warranty.
+In no event will the authors be held liable for any damages arising from the use of this software.
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it freely,
+subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
+2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef BT_ALIGNED_ALLOCATOR
+#define BT_ALIGNED_ALLOCATOR
+
+///we probably replace this with our own aligned memory allocator
+///so we replace _aligned_malloc and _aligned_free with our own
+///that is better portable and more predictable
+
+#include "btScalar.h"
+
+
+///BT_DEBUG_MEMORY_ALLOCATIONS preprocessor can be set in build system
+///for regression tests to detect memory leaks
+///#define BT_DEBUG_MEMORY_ALLOCATIONS 1
+#ifdef BT_DEBUG_MEMORY_ALLOCATIONS
+
+int btDumpMemoryLeaks();
+
+#define btAlignedAlloc(a,b) \
+		btAlignedAllocInternal(a,b,__LINE__,__FILE__)
+
+#define btAlignedFree(ptr) \
+		btAlignedFreeInternal(ptr,__LINE__,__FILE__)
+
+void*	btAlignedAllocInternal	(size_t size, int alignment,int line,char* filename);
+
+void	btAlignedFreeInternal	(void* ptr,int line,char* filename);
+
+#else
+	void*	btAlignedAllocInternal	(size_t size, int alignment);
+	void	btAlignedFreeInternal	(void* ptr);
+
+	#define btAlignedAlloc(size,alignment) btAlignedAllocInternal(size,alignment)
+	#define btAlignedFree(ptr) btAlignedFreeInternal(ptr)
+
+#endif
+typedef int	size_type;
+
+typedef void *(btAlignedAllocFunc)(size_t size, int alignment);
+typedef void (btAlignedFreeFunc)(void *memblock);
+typedef void *(btAllocFunc)(size_t size);
+typedef void (btFreeFunc)(void *memblock);
+
+///The developer can let all Bullet memory allocations go through a custom memory allocator, using btAlignedAllocSetCustom
+void btAlignedAllocSetCustom(btAllocFunc *allocFunc, btFreeFunc *freeFunc);
+///If the developer has already an custom aligned allocator, then btAlignedAllocSetCustomAligned can be used. The default aligned allocator pre-allocates extra memory using the non-aligned allocator, and instruments it.
+void btAlignedAllocSetCustomAligned(btAlignedAllocFunc *allocFunc, btAlignedFreeFunc *freeFunc);
+
+
+///The btAlignedAllocator is a portable class for aligned memory allocations.
+///Default implementations for unaligned and aligned allocations can be overridden by a custom allocator using btAlignedAllocSetCustom and btAlignedAllocSetCustomAligned.
+template < typename T , unsigned Alignment >
+class btAlignedAllocator {
+	
+	typedef btAlignedAllocator< T , Alignment > self_type;
+	
+public:
+
+	//just going down a list:
+	btAlignedAllocator() {}
+	/*
+	btAlignedAllocator( const self_type & ) {}
+	*/
+
+	template < typename Other >
+	btAlignedAllocator( const btAlignedAllocator< Other , Alignment > & ) {}
+
+	typedef const T*         const_pointer;
+	typedef const T&         const_reference;
+	typedef T*               pointer;
+	typedef T&               reference;
+	typedef T                value_type;
+
+	pointer       address   ( reference        ref ) const                           { return &ref; }
+	const_pointer address   ( const_reference  ref ) const                           { return &ref; }
+	pointer       allocate  ( size_type        n   , const_pointer *      hint = 0 ) {
+		(void)hint;
+		return reinterpret_cast< pointer >(btAlignedAlloc( sizeof(value_type) * n , Alignment ));
+	}
+	void          construct ( pointer          ptr , const value_type &   value    ) { new (ptr) value_type( value ); }
+	void          deallocate( pointer          ptr ) {
+		btAlignedFree( reinterpret_cast< void * >( ptr ) );
+	}
+	void          destroy   ( pointer          ptr )                                 { ptr->~value_type(); }
+	
+
+	template < typename O > struct rebind {
+		typedef btAlignedAllocator< O , Alignment > other;
+	};
+	template < typename O >
+	self_type & operator=( const btAlignedAllocator< O , Alignment > & ) { return *this; }
+
+	friend bool operator==( const self_type & , const self_type & ) { return true; }
+};
+
+
+
+#endif //BT_ALIGNED_ALLOCATOR
+