.travis.yml: set the apt sources too

(copied from the c-ares .travis.yml)
curl · Jun 2, 2017 · 0c48850 · 0c48850
1 parent 2bdfe71
commit 0c48850
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -2,6 +2,9 @@ language: c
 sudo: false
 addons:
     apt:
+        sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-precise-3.7
         packages:
             - cmake
             - gcc-4.8