missing i18n.h

[<nuke bayside net>]

yes, this is probably a stupid question.. but in which package does that
header reside? i've grepped all over the place, but i can't single it out.

 _        _  __     __             _ _                                  _
|        / |/ /_ __/ /_____         |       Nuke Skyjumper               |
|       /    / // /  '_/ -_)        |         "Master of the Farce"      |
|_     /_/|_/\_,_/_/\_\\__/        _|_           nuke@bayside.net       _|