Merge pull request #1310 from cloudwu/master

sokol_app.h: avoid unknown-pragmas warning in mingw.

Author: floooh

sokol_app.h

@@ -2220,6 +2220,12 @@ inline void sapp_run(const sapp_desc& desc) { return sapp_run(&desc); }
     #include <windows.h>
     #include <windowsx.h>
     #include <shellapi.h>
+
+    #if defined(__GNUC__)
+        #pragma GCC diagnostic push
+        #pragma GCC diagnostic ignored "-Wunknown-pragmas"
+    #endif
+
     #if !defined(SOKOL_NO_ENTRY)    // if SOKOL_NO_ENTRY is defined, it's the application's responsibility to use the right subsystem
 
         #if defined(SOKOL_WIN32_FORCE_MAIN) && defined(SOKOL_WIN32_FORCE_WINMAIN)
@@ -2242,6 +2248,10 @@ inline void sapp_run(const sapp_desc& desc) { return sapp_run(&desc); }
         #pragma comment (lib, "d3d11")
     #endif
 
+    #if defined(__GNUC__)
+        #pragma GCC diagnostic pop
+    #endif
+
     #if defined(SOKOL_D3D11)
         #ifndef D3D11_NO_HELPERS
             #define D3D11_NO_HELPERS