also add generated src folder to the build
diff --git a/plugins/org.eclipse.dltk.javascript.core.manipulation/build.properties b/plugins/org.eclipse.dltk.javascript.core.manipulation/build.properties
index e9863e2..402e2ad 100644
--- a/plugins/org.eclipse.dltk.javascript.core.manipulation/build.properties
+++ b/plugins/org.eclipse.dltk.javascript.core.manipulation/build.properties
@@ -1,4 +1,5 @@
-source.. = src/
+source.. = src/,\
+           generated/
 output.. = bin/
 bin.includes = META-INF/,\
                .,\