Code style: changed "sizeof foo" to "sizeof(foo)" (thanks @sezero!)

(cherry picked from commit c6443d86c9)

test/testoffscreen.c

@@ -116,8 +116,7 @@ int main(int argc, char *argv[])
                               width, height, 0);
 
     if (window == NULL) {
-        SDL_Log("Couldn't create window: %s\n",
-                SDL_GetError());
+        SDL_Log("Couldn't create window: %s\n", SDL_GetError());
         return SDL_FALSE;
     }