fix travis branch regex (#266)

dariuszkuc · smyrick · commit 3b1e0469e2b3 · 2019-07-18T12:37:17.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -8,7 +8,7 @@ jdk:
 branches:
   only:
     - master
-    - /\d+\.\d+\.x/
+    - /\d+\.\d+\.(x|\d+)/
 
 cache:
   directories:
