travis: build maintenance branches

ethomson · ethomson · commit 3980a253667c · 2018-03-12T05:30:18.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -10,6 +10,7 @@ os:
 branches:
  only:
    - master
+   - /^maint.*/
 
 before_install:
  - date -u
