upstream: Replace fatal with exit in the case that we do not have

$SUDO set. Prevents test failures when neither sudo nor doas are configured.

OpenBSD-Regress-ID: 6a0464decc4f8ac7d6eded556a032b0fc521bc7b
diff --git a/regress/agent-getpeereid.sh b/regress/agent-getpeereid.sh
index d19c77f..8858fd1 100644
--- a/regress/agent-getpeereid.sh
+++ b/regress/agent-getpeereid.sh
@@ -18,6 +18,7 @@
 	xdoas) ;;
 	x)
 		echo "need SUDO to switch to uid $UNPRIV"
+ 		echo SKIPPED
 		exit 0 ;;
 	*)
 		echo "unsupported $SUDO - "doas" and "sudo" are allowed"