Fix compiler warning:

warning: ‘delete_all_cache_on_memcached’ declared ‘static’ but never defined[-Wunused-function]

diff --git a/src/query_cache/pool_memqcache.c b/src/query_cache/pool_memqcache.c
index 81d95cd566737a9c5c0490c96f8745d6384cfb4e..cc702074d38c1879dbb3ee77cd5af0e66518d642 100644 (file)
--- a/src/query_cache/pool_memqcache.c
+++ b/src/query_cache/pool_memqcache.c
@@ -125,7 +125,9 @@ static volatile POOL_HASH_ELEMENT *get_new_hash_element(void);
 static void put_back_hash_element(volatile POOL_HASH_ELEMENT * element);
 static bool is_free_hash_element(void);
 static void inject_cached_message(POOL_CONNECTION * backend, char *qcache, int qcachelen);
+#ifdef USE_MEMCACHED
 static int delete_all_cache_on_memcached(void);
+#endif
 static char *create_fake_cache(size_t *len);
 
 /*