Attempt to fix build - set forkValue to true
diff --git a/build.properties b/build.properties
index 4a30a49..a698964 100644
--- a/build.properties
+++ b/build.properties
@@ -26,6 +26,8 @@
 src.depend = true
 src.debug = on
 
+forkValue = true
+
 # JVM options for <compc> and <mxmlc> tasks
 jvm.args = ${local.d32} -Xms64m -Xmx1024m -XX:MaxPermSize=1024m -XX:+CMSClassUnloadingEnabled -XX:+CMSPermGenSweepingEnabled -ea -Dapple.awt.UIElement=true
     # -d32/-d64 for 32-bit/64-bit code model (or don't specify for the default)