[gimp] gitlab-ci: keep the Windows native builds' config.log.

[Jehan <jehanp src gnome org>]

commit 9572cb43bd2af9d57403705e324438fc2d365277
Author: Jehan <jehan girinstud io>
Date:   Tue Jun 22 11:39:07 2021 +0200

    gitlab-ci: keep the Windows native builds' config.log.
    
    This helps debugging the builds when needed.

 .gitlab-ci.yml | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8e9ba15818..d82f83c87d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -302,6 +302,7 @@ gimp-win64-native:
     paths:
     - _install-w64
     - _build-w64/build/windows/installer/lang/
+    - _build-w64/config.log
   cache:
     paths:
     - _ccache/
@@ -387,6 +388,7 @@ gimp-win32-native:
     expire_in: 1 day
     paths:
     - _install-w32
+    - _build-w32/config.log
   cache:
     paths:
     - _ccache/