CLEANUP: Fix compile error of kv mget operation.
@@ -496,7 +496,11 @@ struct conn {
void *coll_eitem;
char *coll_resps;
int coll_ecount;
+#ifdef SUPPORT_KV_MGET
+ int coll_op;
+#else
ENGINE_COLL_OPERATION coll_op;
+#endif
char *coll_key;
int coll_nkey;
int coll_index; /* the list index of lop insert */
