Added icon for IDLE on OS X
diff --git a/Lib/idlelib/buildapp.py b/Lib/idlelib/buildapp.py
index 42aeeb7..a67ccea 100644
--- a/Lib/idlelib/buildapp.py
+++ b/Lib/idlelib/buildapp.py
@@ -13,4 +13,5 @@
 	name="IDLE",
 	mainprogram="idle.py",
 	argv_emulation=1,
+	iconfile="Icons/idle.icns",
 )