Added NaCl to SDL_GetPlatform()
diff --git a/src/SDL.c b/src/SDL.c
index dacd0f7..1e2707d 100644
--- a/src/SDL.c
+++ b/src/SDL.c
@@ -421,6 +421,8 @@ SDL_GetPlatform()
return "MacOS Classic";
#elif __MACOSX__
return "Mac OS X";
+#elif __NACL__
+ return "NaCl";
#elif __NETBSD__
return "NetBSD";
#elif __OPENBSD__