fs:dlm:remove unneeded semicolon in rcom.c

Fix the following coccicheck warning:
fs/dlm/rcom.c:566:2-3: Unneeded semicolon
Signed-off-by: Wu Bo <wubo40@huawei.com>
Signed-off-by: David Teigland <teigland@redhat.com>

fs/dlm/rcom.c

@@ -563,7 +563,7 @@ void dlm_receive_rcom(struct dlm_ls *ls, struct dlm_rcom *rc, int nodeid)
 		lock = 1;
 		reply = 1;
 		break;
-	};
+	}
 
 	spin_lock(&ls->ls_recover_lock);
 	status = ls->ls_recover_status;