Add missing plugin after Gradle/plugins version change.

ldaley · ldaley · commit 354856d69b16 · 2014-12-16T08:09:11.000+10:00
diff --git a/examples/ratpack/build.gradle b/examples/ratpack/build.gradle
@@ -1,3 +1,7 @@
+plugins {
+    id "org.gradle.java"
+}
+
 dependencies {
     testCompile project(":rxjava-reactive-streams")
     testCompile "io.ratpack:ratpack-test:0.9.10"
