fix compile error

src/mnode/src/mgmtReplica.c

@@ -64,7 +64,4 @@ int32_t replicaAllocVnodes(SVgObj *pVgroup) {
   return TSDB_CODE_SUCCESS;
 }
 
-tsync_h syncStart(const SSyncInfo *info) { return NULL; }
-int     syncForwardToPeer(tsync_h shandle, void *pHead, void *mhandle) { return 0; }
-
 #endif 

src/vnode/src/vnodeMain.c

@@ -41,6 +41,12 @@ static int      vnodeGetWalInfo(void *ahandle, char *name, uint32_t *index);
 static void     vnodeNotifyRole(void *ahandle, int8_t role);
 
 static pthread_once_t  vnodeModuleInit = PTHREAD_ONCE_INIT;
+
+#ifndef _SYNC
+tsync_h syncStart(const SSyncInfo *info) { return NULL; }
+int     syncForwardToPeer(tsync_h shandle, void *pHead, void *mhandle) { return 0; }
+#endif
+
 static void vnodeInit() {
   vnodeInitWriteFp();
   vnodeInitReadFp();