criu/mount.c: fix printing errno

An errno from setns might be lost after close()s, so change the order.

travis-ci: success for Assorted nitpicks
Signed-off-by: Kir Kolyshkin <kir@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>

criu/mount.c

@@ -2772,9 +2772,9 @@ int depopulate_roots_yard(int mntns_fd, bool clean_remaps)
 		return -1;
 	}
 	if (setns(mntns_fd, CLONE_NEWNS) < 0) {
+		pr_perror("`- Can't switch");
 		close(old_ns);
 		close(old_cwd);
-		pr_perror("`- Can't switch");
 		return -1;
 	}