Ignore failure when deleting regress/ttest anchor

in 'stamp-setup' target. Found by anton@.

diff --git a/regress/sys/net/pf_table/Makefile b/regress/sys/net/pf_table/Makefile
index 7b4de28..d4c6d38 100644 (file)
--- a/regress/sys/net/pf_table/Makefile
+++ b/regress/sys/net/pf_table/Makefile
@@ -1,4 +1,4 @@
-#      $OpenBSD: Makefile,v 1.4 2023/08/10 16:44:04 sashan Exp $
+#      $OpenBSD: Makefile,v 1.5 2023/08/13 21:21:53 sashan Exp $
 
 REGRESS_TARGETS=       hit miss cleanup flags
 CLEANFILES=            stamp-* \
@@ -13,7 +13,7 @@ CLEANFILES=           stamp-* \
 
 
 stamp-setup:
-       ${SUDO} pfctl -a regress/ttest -Fa
+       ${SUDO} pfctl -q -a regress/ttest -Fa || exit 0
        ${SUDO} pfctl -qt __regress_tbl -T add -f ${.CURDIR}/table.in
        date >$@