Use receiveTreeIter to make treeModelIterNext code shorter.
Use receiveTreeIter to make treeModelIterNext code shorter.

gtk2hs/vte,gtk2hs/webkit,gtk2hs/vte,gtk2hs/gtksourceview,gtk2hs/webkit,gtk2hs/webkit,gtk2hs/gstreamer,gtk2hs/gtksourceview