Travis CI: Use 'dist:trusty' for build with -std=c11 flag

(fix commit 47483e7)

diff --git a/.travis.yml b/.travis.yml
index 0391487..8ce819f 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -76,6 +76,7 @@ matrix:
         - CONF_OPTIONS="--enable-cplusplus"
     - os: linux
       compiler: gcc
+      dist: trusty
       env:
         - CFLAGS_EXTRA="-std=c11 -D GC_NO_SIGSETJMP"
         - CONF_OPTIONS="--disable-threads --enable-gc-assertions --enable-cplusplus"