Log Message:
Update gtk-send-pr to version 0.4, and assign maintainership to author,
"Miguel Mendez" <flynn@energyhq.es.eu.org>.

Changelog:

- All GTK_SIGNAL_FUNC instances were replaced by G_CALLBACK.
- The file dialog now uses the GtkFileChooser widget.
- All selections have been changed from GtkCombo to GtkComboBoxEntry.
- The user can now specify the SMTP port (defaults to 25).
- The remaining code was cleaned up (file.c and user_prefs.c).

Also added an extra patch to fix a small bug in the scrolled window code.