Adds a hashCode method to the Settings class for Ant.

Author: lexspoon

src/compiler/scala/tools/ant/sabbus/Settings.scala

@@ -93,4 +93,18 @@ class Settings {
     case _ => false
   }
 
+  override lazy val hashCode: Int = Seq(
+    gBf,
+    uncheckedBf,
+    classpathBf,
+    sourcepathBf,
+    sourcedirBf,
+    bootclasspathBf,
+    extdirsBf,
+    dBf,
+    encodingBf,
+    targetBf,
+    optimiseBf,
+    extraParamsBf
+  ).##
 }