Avoid some compiler warnings and remove obsolete code. (#339540)

Avoid some compiler warnings and remove obsolete code. (#339540)

* gtk/gtkcalendar.c: Change week and year variable in
calendar_paint_week_numbers from gint to guint. Remove obsolete "#if
0" block from calendar_paint_day: The feature in question is handled
few lines above. Cast data returned by gtk_selection_data_get_text()
to (gchar*) in gtk_calendar_drag_data_received.

svn path=/trunk/; revision=19201