Fix typos with codespell

Using codespell 1.14.0.

Method:
```
$ cat > ../godot-word-whitelist.txt << EOF
ang
doubleclick
lod
nd
numer
que
te
unselect
EOF
$ codespell -w -q 3 -I ../godot-word-whitelist.txt --skip="./thirdparty,*.po"
$ git diff // undo unwanted changes
```

3 files changed, 3 insertions, 3 deletions

diff --git a/drivers/unix/ip_unix.cpp b/drivers/unix/ip_unix.cpp
index 824ba7bb8a..b5feaabc32 100644
--- a/drivers/unix/ip_unix.cpp
+++ b/drivers/unix/ip_unix.cpp
@@ -50,7 +50,7 @@
 #define _WIN32_WINNT 0x0501 // Windows XP, disable Vista API
 #include <iphlpapi.h>
 #undef _WIN32_WINNT
-#define _WIN32_WINNT 0x0600 // Reenable Vista API
+#define _WIN32_WINNT 0x0600 // Re-enable Vista API
 #else
 #include <iphlpapi.h>
 #endif // MINGW hack
diff --git a/drivers/unix/net_socket_posix.cpp b/drivers/unix/net_socket_posix.cpp
index 6910abc64c..2dffa083fe 100644
--- a/drivers/unix/net_socket_posix.cpp
+++ b/drivers/unix/net_socket_posix.cpp
@@ -543,7 +543,7 @@ void NetSocketPosix::set_blocking_enabled(bool p_enabled) {
 
 void NetSocketPosix::set_ipv6_only_enabled(bool p_enabled) {
 	ERR_FAIL_COND(!is_open());
-	// This option is only avaiable in IPv6 sockets.
+	// This option is only available in IPv6 sockets.
 	ERR_FAIL_COND(_ip_type == IP::TYPE_IPV4);
 
 	int par = p_enabled ? 1 : 0;
diff --git a/drivers/unix/os_unix.cpp b/drivers/unix/os_unix.cpp
index e3e2e10e82..e7550903a8 100644
--- a/drivers/unix/os_unix.cpp
+++ b/drivers/unix/os_unix.cpp
@@ -282,7 +282,7 @@ uint64_t OS_Unix::get_ticks_usec() const {
 	uint64_t longtime = mach_absolute_time() * _clock_scale;
 #else
 	// Unchecked return. Static analyzers might complain.
-	// If _setup_clock() succeded, we assume clock_gettime() works.
+	// If _setup_clock() succeeded, we assume clock_gettime() works.
 	struct timespec tv_now = { 0, 0 };
 	clock_gettime(GODOT_CLOCK, &tv_now);
 	uint64_t longtime = ((uint64_t)tv_now.tv_nsec / 1000L) + (uint64_t)tv_now.tv_sec * 1000000L;