[gimp/wip/Jehan/native-win64-build] Ok so maybe it's not MSYS2 or pacman but gitlab!

[Jehan <jehanp src gnome org>]

commit df2cd8e00d747eb4ff69daa36a32eb90ecc2ba81
Author: Jehan <jehan girinstud io>
Date:   Mon May 3 16:59:48 2021 +0200

    Ok so maybe it's not MSYS2 or pacman but gitlab!

 .gitlab-ci.yml | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 61db2d5bf3..07d7497a29 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -193,6 +193,10 @@ deps-native-win64:
   stage: dependencies
   tags:
     - win32-ps
+  before_script:
+    # See https://gitlab.com/gitlab-org/gitlab-runner/-/issues/1839
+    - ls
+    - chmod -R 0777 ./*
   script:
     - C:\msys64\usr\bin\pacman --noconfirm -Syyuu
     - C:\msys64\usr\bin\bash -lc "bash -x ./build/windows/build-msys2.sh"