Fix inconsistent dll linkage warning on windows

src/platforms/rcore_desktop_glfw.c

@@ -65,8 +65,9 @@
 
     #if defined(SUPPORT_WINMM_HIGHRES_TIMER) && !defined(SUPPORT_BUSY_WAIT_LOOP)
         // NOTE: Those functions require linking with winmm library
-        unsigned int __stdcall timeBeginPeriod(unsigned int uPeriod);
+#pragma warning( disable : 4273 )
         unsigned int __stdcall timeEndPeriod(unsigned int uPeriod);
+#pragma warning(default : 4273) 
     #endif
 #endif
 #if defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__)