Fix typos with codespell

Using codespell 1.15.0.

Method:
```
$ cat > ../godot-word-whitelist.txt << EOF
ang
curvelinear
doubleclick
leapyear
lod
merchantibility
nd
numer
ois
ony
que
seeked
synching
te
uint
unselect
webp
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/servers/audio/effects/audio_effect_spectrum_analyzer.cpp b/servers/audio/effects/audio_effect_spectrum_analyzer.cpp
index 46d92336f3..05cba416be 100644
--- a/servers/audio/effects/audio_effect_spectrum_analyzer.cpp
+++ b/servers/audio/effects/audio_effect_spectrum_analyzer.cpp
@@ -112,7 +112,7 @@ void AudioEffectSpectrumAnalyzerInstance::process(const AudioFrame *p_src_frames
 	}
 
 	//determine time of capture
-	double remainer_sec = (temporal_fft_pos / mix_rate); //substract remainder from mix time
+	double remainer_sec = (temporal_fft_pos / mix_rate); //subtract remainder from mix time
 	last_fft_time = time - uint64_t(remainer_sec * 1000000.0);
 }
 
diff --git a/servers/physics_2d/space_2d_sw.cpp b/servers/physics_2d/space_2d_sw.cpp
index f5acadd71c..e2b1bb9da4 100644
--- a/servers/physics_2d/space_2d_sw.cpp
+++ b/servers/physics_2d/space_2d_sw.cpp
@@ -795,7 +795,7 @@ bool Space2DSW::test_body_motion(Body2DSW *p_body, const Transform2D &p_from, co
 						cbk.valid_dir = col_obj_shape_xform.get_axis(1).normalized();
 
 						float owc_margin = col_obj->get_shape_one_way_collision_margin(shape_idx);
-						cbk.valid_depth = MAX(owc_margin, p_margin); //user specified, but never less than actual margin or it wont work
+						cbk.valid_depth = MAX(owc_margin, p_margin); //user specified, but never less than actual margin or it won't work
 						cbk.invalid_by_dir = 0;
 
 						if (col_obj->get_type() == CollisionObject2DSW::TYPE_BODY) {
diff --git a/servers/visual/shader_language.cpp b/servers/visual/shader_language.cpp
index 33714a79b2..cb3a744730 100644
--- a/servers/visual/shader_language.cpp
+++ b/servers/visual/shader_language.cpp
@@ -616,7 +616,7 @@ ShaderLanguage::Token ShaderLanguage::_get_token() {
 					else
 						tk.type = TK_INT_CONSTANT;
 
-					tk.constant = str.to_double(); //wont work with hex
+					tk.constant = str.to_double(); //won't work with hex
 					tk.line = tk_line;
 
 					return tk;