[gtk/lsan-leaks: 2/2] Force malloc of g_slices in asan build

[Matthias Clasen <matthiasc src gnome org>]

commit 0d790505aa6cffc1280afd56037a3c3978970ea5
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jan 22 00:13:13 2021 -0500

    Force malloc of g_slices in asan build
    
    Otherwise leaks could be missed.

 .gitlab-ci/run-tests.sh | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci/run-tests.sh b/.gitlab-ci/run-tests.sh
index 6f6a09258f..1fca1f7a4b 100755
--- a/.gitlab-ci/run-tests.sh
+++ b/.gitlab-ci/run-tests.sh
@@ -9,6 +9,7 @@ backend=$2
 
 # Ignore memory leaks lower in dependencies
 export LSAN_OPTIONS=suppressions=$srcdir/lsan.supp
+export G_SLICE=always-malloc
 
 case "${backend}" in
   x11)