[libxslt] Add Travis test with MemorySanitizer

[Nick Wellnhofer <nwellnhof src gnome org>]

commit fbd437b4a9954fb513b8d5987b35d09b4df51ff4
Author: Nick Wellnhofer <wellnhofer aevum de>
Date:   Mon Jun 3 14:30:56 2019 +0200

    Add Travis test with MemorySanitizer

 .travis.yml | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/.travis.yml b/.travis.yml
index 8d10d234..e3bf009a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,6 +14,11 @@ matrix:
       env: CONFIG="--without-python"
            CFLAGS="-O2 -g -fno-omit-frame-pointer -fsanitize=address,undefined -fno-sanitize-recover=all 
-Werror -Wno-error=cast-align"
            UBSAN_OPTIONS=print_stacktrace=1
+    # clang with MemorySanitizer.
+    - compiler: clang
+      dist: xenial
+      env: CONFIG="--without-python --without-zlib --without-lzma --without-crypto"
+           CFLAGS="-O2 -g -fno-omit-frame-pointer -fsanitize=memory -Werror -Wno-error=cast-align"
 script:
 - |
     git clone --depth 1 https://gitlab.gnome.org/GNOME/libxml2.git