include/mempool.h: remove unneeded farward declaration

Signed-off-by: Yunchuan Wen <yunchuan.wen@kylin-cloud.com>

diff --git a/src/include/mempool.h b/src/include/mempool.h
index dba6b559cd7b5de71bfabf7d4807c2e255b116e1..9a7569312e55488d6d3e641114f0662af8ec94ae 100644 (file)
--- a/src/include/mempool.h
+++ b/src/include/mempool.h
@@ -161,7 +161,6 @@ extern bool debug_mode;
 extern void set_debug_mode(bool d);
 
 // --------------------------------------------------------------
-struct pool_allocator_base_t;
 class pool_t;
 
 // we shard pool stats across many shard_t's to reduce the amount