.travis.yml: bring back -Werror

Convert warnings to errors on CI, or they'll go unnoticed.

diff --git a/.travis.yml b/.travis.yml
index 4fa9e5417c41a0adb82cdc93f851700b32e1bf88..bd08e99298f405d3362cd04c48d58dbfc9a2c548 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,5 +13,6 @@ matrix:
     - os: osx
       compiler: clang
 script:
+  - export CFLAGS=-Werror
   - make clean
   - make