ci: Disable ASan's LeakSanitizer.

The tool sometimes/somehow crashes in CI, though I can't reproduce locally.
Possibly an issue with the gcc toolchain used there.. disable for now as it
makes the tests fail.



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1913830 13f79535-47bb-0310-9956-ffa450edef68
1 file changed