fixed build issue

mahendya1002 · mahendya1002 · commit 83cc2f0718cb · 2017-09-22T17:59:26.000+05:30
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,7 @@
 language: java
+"dist": "precise"
 jdk:
+  - oraclejdk8
   - oraclejdk7
   - openjdk7
-  - openjdk6
+  - openjdk6
