ido ftbfs in utopic

Bug Description

ido ftbfs in utopic, on every architecture.

seen in
http://people.ubuntuwire.org/~wgrant/rebuild-ftbfs-test/test-rebuild-20140914-utopic.html

  GISCAN Ido3-0.1.gir
idomessagedialog.c:251: Warning: Ido3: "@Varargs" parameter is deprecated, please use "@..." instead:
 * @Varargs: arguments for @message_format
    ^
idomessagedialog.c:315: Warning: Ido3: "@Varargs" parameter is deprecated, please use "@..." instead:
 * @Varargs: arguments for @message_format. They will be escaped to allow valid XML.
    ^
idoprogressmenuitem.c:2: Error: Ido3: identifier not found on the first line:
 * Copyright 2013 Canonical Ltd.
   ^
  GICOMP Ido3-0.1.gir
/usr/bin/vapigen --library=Ido3-0.1 \
  --pkg gtk+-3.0 \
  Ido3-0.1.gir
Generation succeeded - 0 warning(s)