change connect glusterd addr filter localhost (#4442)

[shenwen2012]

when use localhost(127.0.0.1) addr mount a volume, if glusterd is down ,client not change connect other glusterd server , because socket bind 127.0.0.1 can not connect other node addr success . so change volume server round-roubin filter 127.0.0.1

Fixes: #4442

[gluster-ant]

Can one of the admins verify this patch?

[gluster-ant]

Can one of the admins verify this patch?

[gluster-ant]

Can one of the admins verify this patch?

[gluster-ant]

CLANG-FORMAT FAILURE:
Before merging the patch, this diff needs to be considered for passing clang-format

index b34710065..ba7de91a9 100644
--- a/glusterfsd/src/glusterfsd-mgmt.c
+++ b/glusterfsd/src/glusterfsd-mgmt.c
@@ -2830,9 +2830,11 @@ mgmt_rpc_notify(struct rpc_clnt *rpc, void *mydata, rpc_clnt_event_t event,
                         "Exhausted all volfile servers, Retrying from again!");
                 }
             } else {
-                char *local_str="127.0.0.1";
-                if (strncmp(local_str,rpc_trans->myinfo.identifier,strlen(local_str)) != 0) {
-                    server = list_entry(server->list.next, typeof(*server), list);
+                char *local_str = "127.0.0.1";
+                if (strncmp(local_str, rpc_trans->myinfo.identifier,
+                            strlen(local_str)) != 0) {
+                    server = list_entry(server->list.next, typeof(*server),
+                                        list);
                 }
             }
             ctx->cmd_args.curr_server = server;