encoding/ianaindex: fix issue in gen.go Not sure how this happened. TBR Change-Id: If8ae5f93d3848e128cc0353a9aedad4c6e3694a7 Reviewed-on: https://go-review.googlesource.com/38367 Run-TryBot: Marcel van Lohuizen <mpvl@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Marcel van Lohuizen <mpvl@golang.org>