leak tests: mark some status tests as passing with SANITIZE=leak

Mark some tests that match "*status*" as passing when git is compiled
with SANITIZE=leak. They'll now be listed as running under the
"GIT_TEST_PASSING_SANITIZE_LEAK=true" test mode (the "linux-leaks" CI
target).

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/t/t7515-status-symlinks.sh b/t/t7515-status-symlinks.sh
index 9f989be..e3d6bb6 100755
--- a/t/t7515-status-symlinks.sh
+++ b/t/t7515-status-symlinks.sh
@@ -2,6 +2,7 @@
 
 test_description='git status and symlinks'
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 test_expect_success 'setup' '