Property definitions

gtk $ GtkFileChooserDialog :: new
	new (title: String, parent: GtkWindow, action: GtkFileChooserAction)
	import String.to_cstring `{
		return (GtkFileChooserDialog *)gtk_file_chooser_dialog_new(
			String_to_cstring(title), parent, action, "", NULL);
	`}
lib/gtk/v3_4/gtk_dialogs.nit:173,2--177,3