Merge pull request #6593 from daidaotong/movecommandfix

fix move command: WATCH/MULTI/EXEC mechanism breaks 

src/db.c

@@ -1034,6 +1034,13 @@ void moveCommand(client *c) {
 
     /* OK! key moved, free the entry in the source DB */
     dbDelete(src,c->argv[1]);
+    signalModifiedKey(src,c->argv[1]);
+    signalModifiedKey(dst,c->argv[1]);
+    notifyKeyspaceEvent(NOTIFY_GENERIC,
+                "move_from",c->argv[1],src->id);
+    notifyKeyspaceEvent(NOTIFY_GENERIC,
+                "move_to",c->argv[1],dst->id);
+
     server.dirty++;
     addReply(c,shared.cone);
 }