#9 Fix build of version 1.3.0 with llvm

[Ganael Laplanche]

Hello,

Here is a proposed patch to avoid nested functions and fix build with llvm :

callbacks.c:44:64: error: function definition is not allowed here
        void _set_label_selectable(gpointer data, gpointer user_data) {
                                                                      ^
callbacks.c:52:27: error: use of undeclared identifier '_set_label_selectable'; did you mean 'dialog_set_labels_selectable'?
        g_list_foreach(children, _set_label_selectable, NULL);
                                 ^~~~~~~~~~~~~~~~~~~~~
                                 dialog_set_labels_selectable

Best regards,

Ganael.

[Piero Orsoni]

committed to svn, many thanks!