use proper travis syntax

brianmario · brianmario · commit b28f691e621e · 2013-07-09T15:31:04.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -9,7 +9,8 @@ rvm:
   - rbx-19mode
   - rbx-20mode
 bundler_args: --without benchmarks
-allow_failures:
+matrix:
+  allow_failures:
   - rvm: rbx-19mode
   - rvm: rbx-20mode
 script:
