use openjdk10 to fix build

fishercoder1534 · fishercoder1534 · commit efe62ea69670 · 2019-06-13T07:09:53.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,7 @@
 language: java
 
 jdk:
-  - oraclejdk10
+  - openjdk10
 
 before_script:
 - chmod a+x gradlew
