* src/main.c: check for GTK_RESPONSE_OK instead of something !=

    GTK_RESPONSE_CANCEL.
  * lib/screenshooter-dialogs.c:
    - (set_default_item) set first item as active if no item was found,
    change the prototype.
    - (screenshooter_dialog_new) use the new set_default_item, don't set
    the first item as active without updating sd->app. Fixes the opening
    of screenshots with the first item of the combobox.


(Old svn revision: 6243)