testspriteminimal: don't allow any arguments

test/testspriteminimal.c

@@ -103,6 +103,11 @@ int main(int argc, char *argv[])
     /* Enable standard application logging */
     SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
 
+    if (argc > 1) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "USAGE: %s\n", argv[0]);
+        quit(1);
+    }
+
     if (SDL_CreateWindowAndRenderer(WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer) < 0) {
         quit(2);
     }