[gimp/wip/Jehan/fix-ci-distcheck] po-plug-ins, po: try DISTCLEANFILES.

[Jehan <jehanp src gnome org>]

commit 512532a06c6162e5efd0cde07f8431e2430068c9
Author: Jehan <jehan girinstud io>
Date:   Sat Dec 12 21:44:13 2020 +0100

    po-plug-ins, po: try DISTCLEANFILES.

 po-plug-ins/Makefile.in.in | 2 +-
 po/Makefile.in.in          | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/po-plug-ins/Makefile.in.in b/po-plug-ins/Makefile.in.in
index 360ef4be02..aee786f438 100644
--- a/po-plug-ins/Makefile.in.in
+++ b/po-plug-ins/Makefile.in.in
@@ -223,4 +223,4 @@ stamp-it: Makefile.in.in $(top_builddir)/config.status POTFILES.in
 # other dependency in Debian testing broke the CI distcheck job, leaving
 # some lock files. This CLEANFILES rule should be removed once this is
 # fixed upstream.
-CLEANFILES += .intltool-merge-cache.lock
+DISTCLEANFILES += .intltool-merge-cache.lock
diff --git a/po/Makefile.in.in b/po/Makefile.in.in
index 9a941c1c26..cc4d9d4838 100644
--- a/po/Makefile.in.in
+++ b/po/Makefile.in.in
@@ -232,4 +232,4 @@ stamp-it: Makefile.in.in $(top_builddir)/config.status POTFILES.in
 # other dependency in Debian testing broke the CI distcheck job, leaving
 # some lock files. This CLEANFILES rule should be removed once this is
 # fixed upstream.
-CLEANFILES += .intltool-merge-cache.lock
+DISTCLEANFILES += .intltool-merge-cache.lock