Fix .travis.yml (JAVA_HOME path)

Author: bgnkim

.travis.yml

@@ -13,7 +13,7 @@ matrix:
         - java --version
         - node -v
       env:
-        - JAVA_HOME="/c/Progra~1/OpenJDK/jdk-11.0.11_9"
+        - JAVA_HOME="/c/Progra~1/OpenJDK/openjdk-11.0.11_9"
     - name: "OSX11.3 with OpenJDK 11 (LTS)"
       os: osx
       osx_image: xcode12u