SUNRPC: clean up some inconsistent indenting

Eliminate the follow smatch warning:

net/sunrpc/xprtsock.c:1912 xs_local_connect() warn: inconsistent
indenting.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>