Description: native-helper 0.11 suddenly renamed PosixFile
 This patch fixes the problem by reintroducing PosixFile and should be safe to
 remove after Gradle is updated to 3.1.
 See https://github.com/adammurdoch/native-platform/commit/bceb8b65fa12113551056d2ba7903345ae3247cb
Author: Kai-Chung Yan (殷啟聰)
Last-Update: 2016-10-27
--- a/build.gradle
+++ b/build.gradle
@@ -208,3 +208,7 @@
         dep.appendNode('version', project.version)
     }
 }
+
+sourceSets.main.java { srcDir 'debian/additionalSrc' }
+compileJava.options.encoding = 'UTF-8'
+javadoc.options.encoding = 'UTF-8'
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