[fix] initStatsSwap moved to InitServerLast

Author: warrick1016

src/ctrip_swap_server.c

@@ -114,7 +114,6 @@ void ctrip_initMonitorAcceptor() {
 /* Initialize only part of swap module, used by both tests and the main program. */
 void swapInit() {  
     int i;
-    initStatsSwap();
     swapInitVersion();
 
     server.swap_eviction_ctx = swapEvictionCtxCreate();

src/server.c

@@ -3724,6 +3724,7 @@ void InitServerLast() {
 #ifdef ENABLE_SWAP
     serverRocksInit();
     swapThreadsInit();
+    initStatsSwap();
     set_jemalloc_max_bg_threads(server.jemalloc_max_bg_threads);
 #endif
     initThreadedIO();