plugin cache: do not re-write the cache file unless explicitly requested by...

plugin cache: do not re-write the cache file unless explicitly requested by the user (closes #14519)

src/modules/bank.c

@@ -411,6 +411,7 @@ static void AllocatePluginPath (vlc_object_t *p_this, const char *path,
                 free (cache[i].path);
             }
             free( cache );
+            break;
         case CACHE_RESET:
             CacheSave (p_this, path, bank.cache, bank.i_cache);
         case CACHE_IGNORE: