Standardize placement of '*' in function declarations

Implemented using these sed commands on the headers:
sed -E -i'' '/SDLCALL|;/ s,([a-z])\* ,\1 *,g' *
sed -E -i'' 's,(\(.*[^\*])\* ([a-z])(.*\)),\1*\2\3,g' *
sed -E -i'' 's,\*const,* const,g' *
sed -E -i'' 's,\*SDLCALL,* SDLCALL,g' *
sed -E -i'' 's,void\(,void (,g' *
git checkout *gl*

include/SDL3/SDL_vulkan.h

@@ -155,7 +155,7 @@ extern SDL_DECLSPEC void SDLCALL SDL_Vulkan_UnloadLibrary(void);
  *
  * \sa SDL_Vulkan_CreateSurface
  */
-extern SDL_DECLSPEC char const* const* SDLCALL SDL_Vulkan_GetInstanceExtensions(Uint32 *count);
+extern SDL_DECLSPEC char const * const * SDLCALL SDL_Vulkan_GetInstanceExtensions(Uint32 *count);
 
 /**
  * Create a Vulkan rendering surface for a window.