Pointer as bool (libsdl-org#7214)

test/testffmpeg.c

@@ -1000,7 +1000,7 @@ int main(int argc, char *argv[])
     /* Create the sprite */
     sprite = CreateTexture(renderer, icon_bmp, icon_bmp_len, &sprite_w, &sprite_h);
 
-    if (sprite == NULL) {
+    if (!sprite) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create texture (%s)", SDL_GetError());
         return_code = 3;
         goto quit;
@@ -1009,7 +1009,7 @@ int main(int argc, char *argv[])
     /* Allocate memory for the sprite info */
     positions = (SDL_FRect *)SDL_malloc(num_sprites * sizeof(*positions));
     velocities = (SDL_FRect *)SDL_malloc(num_sprites * sizeof(*velocities));
-    if (positions == NULL || velocities == NULL) {
+    if (!positions || !velocities) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Out of memory!\n");
         return_code = 3;
         goto quit;