[gtk/asan-ci] Disable lsan for now

[Matthias Clasen <matthiasc src gnome org>]

commit f191b64bbc3fbef48c857e6c782e2cb4b18ff040
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jul 10 07:32:48 2020 -0400

    Disable lsan for now
    
    The leak sanitizer causes on average 3-4 tests
    to segfault during a testsuite run. Disable it
    for now to see if we can get a successful
    testsuite run with asan alone.

 .gitlab-ci/run-tests.sh | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/.gitlab-ci/run-tests.sh b/.gitlab-ci/run-tests.sh
index 952b2bdd81..5bdbaf9637 100755
--- a/.gitlab-ci/run-tests.sh
+++ b/.gitlab-ci/run-tests.sh
@@ -9,6 +9,8 @@ backend=$2
 
 # Ignore memory leaks lower in dependencies
 export LSAN_OPTIONS=suppressions=$srcdir/lsan.supp
+# Disable lsan for now since it is crashy
+export ASAN_OPTION=detect_leaks=0
 
 case "${backend}" in
   x11)