gtk2: Have enter in the text entry, send the focus to the repeat entry.
* gtk+-2/pinentry-gtk-2.c (enter_callback): Rename anentry to next_widget. If NEXT_WIDGET is not NULL, send the focus to it. Otherwise, call button_clicked. (create_window): Initialize repeat_entry to NULL. When connecting the enter_callback entry to REPEAT_ENTRY, set the user data paramter to NULL. Connect the entry_callback entry to ENTRY after initializing REPEAT_ENTRY (if applicable) and set the user data parameter to REPEAT_ENTRY.