xprtrdma: fix semicolon.cocci warnings

net/sunrpc/xprtrdma/verbs.c:798:2-3: Unneeded semicolon

 Remove unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

CC: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

net/sunrpc/xprtrdma/verbs.c

@@ -765,7 +765,7 @@ rpcrdma_mr_recovery_worker(struct work_struct *work)
 		mw->mw_xprt->rx_ia.ri_ops->ro_recover_mr(mw);
 
 		spin_lock(&buf->rb_recovery_lock);
-	};
+	}
 	spin_unlock(&buf->rb_recovery_lock);
 }