Merge pull request #491 from alliedmodders/travis-clang-3.7

Update TravisCI build to use Clang 3.7.

.travis.yml

@@ -1,7 +1,7 @@
 addons:
   apt:
     packages:
-    - clang-3.5
+    - clang-3.7
     - lib32stdc++6
     - lib32z1-dev
     - libc6-dev-i386
@@ -9,7 +9,7 @@ addons:
     - g++-multilib
     - g++4.8
     sources:
-    - llvm-toolchain-precise-3.5
+    - llvm-toolchain-precise-3.7
     - ubuntu-toolchain-r-test
   cache:
     directories:
@@ -23,5 +23,5 @@ before_script:
 script:
   - mkdir build && cd build
   - PATH="~/.local/bin:$PATH"
-  - CC=clang-3.5 CXX=clang-3.5 python ../configure.py --enable-optimize --sdks=episode1,tf2,l4d2,csgo,dota
+  - CC=clang-3.7 CXX=clang-3.7 python ../configure.py --enable-optimize --sdks=episode1,tf2,l4d2,csgo,dota
   - ambuild