Fix PyInit_ symbol naming for wasm

Author: ankith26

src_c/base.c

@@ -2422,7 +2422,7 @@ PyMODINIT_FUNC
 PyInit_mixer_music(void);
 
 PyMODINIT_FUNC
-PyInit_mixer(void);
+PyInit_pg_mixer(void);
 
 PyMODINIT_FUNC
 PyInit_pg_math(void);
@@ -2464,16 +2464,13 @@ PyMODINIT_FUNC
 PyInit_sdl2(void);
 
 PyMODINIT_FUNC
-PyInit_sdl2_controller(void);
-
-PyMODINIT_FUNC
-PyInit_sdl2_mixer(void);
+PyInit_mixer(void);
 
 PyMODINIT_FUNC
-PyInit_sdl2_audio(void);
+PyInit_audio(void);
 
 PyMODINIT_FUNC
-PyInit_sdl2_video(void);
+PyInit_video(void);
 
 #endif
 
@@ -2552,10 +2549,9 @@ mod_pygame_import_cython(PyObject *self, PyObject *spec)
 #pragma message "WARNING: pygame._sdl2.* are disabled"
 #else
     load_submodule_mphase("pygame._sdl2", PyInit_sdl2(), spec, "sdl2");
-    load_submodule_mphase("pygame._sdl2", PyInit_sdl2_mixer(), spec, "mixer");
-    load_submodule("pygame._sdl2", PyInit_sdl2_controller(), "controller");
-    load_submodule_mphase("pygame._sdl2", PyInit_sdl2_audio(), spec, "audio");
-    load_submodule_mphase("pygame._sdl2", PyInit_sdl2_video(), spec, "video");
+    load_submodule_mphase("pygame._sdl2", PyInit_mixer(), spec, "mixer");
+    load_submodule_mphase("pygame._sdl2", PyInit_audio(), spec, "audio");
+    load_submodule_mphase("pygame._sdl2", PyInit_video(), spec, "video");
 #endif
 
     Py_RETURN_NONE;
@@ -2621,7 +2617,7 @@ PyInit_pygame_static()
     load_submodule("pygame", PyInit_mask(), "mask");
     load_submodule("pygame", PyInit_mouse(), "mouse");
 
-    load_submodule("pygame", PyInit_mixer(), "mixer");
+    load_submodule("pygame", PyInit_pg_mixer(), "mixer");
     load_submodule("pygame.mixer", PyInit_mixer_music(), "music");
 
     // base, color, rect, bufferproxy, surflock, surface

src_c/mixer.c

@@ -2049,7 +2049,12 @@ pgChannel_New(int channelnum)
     return (PyObject *)chanobj;
 }
 
+#if defined(BUILD_STATIC)
+// prevent name collision with _sdl2.mixer
+MODINIT_DEFINE(pg_mixer)
+#else
 MODINIT_DEFINE(mixer)
+#endif
 {
     PyObject *module, *apiobj, *music = NULL;
     static void *c_api[PYGAMEAPI_MIXER_NUMSLOTS];