Replaced tabs with spaces in test programs.

test/testshape.c

@@ -60,7 +60,7 @@ int main(int argc,char** argv)
     SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
 
     if(argc < 2) {
-		SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_Shape requires at least one bitmap file as argument.");
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_Shape requires at least one bitmap file as argument.");
         exit(-1);
     }