Enable ASAN in travis
diff --git a/.travis.yml b/.travis.yml
index 7feee21..d700d9c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,7 @@
   - gcc
   - clang
 before_install:
-  - sudo apt-get install -y lcov
+  - sudo apt-get install -y lcov libasan*
   - gem install coveralls-lcov
 script:
     - autoreconf -iv