go/gcexportdata: fix test output (fix build)
go/gcexportdata: fix test output (fix build)

Change-Id: Ib9a92c7b7ac09e739177b8c4c16f893dfb5e4420
Reviewed-on: https://go-review.googlesource.com/45151
Reviewed-by: Alan Donovan <7069e9552f9d110b0a0f326b96f22f63fb99dfc1@google.com>

syreclabs/go-tools,golang/tools,syreclabs/go-tools,golang/tools,syreclabs/go-tools,syreclabs/go-tools,golang/tools,syreclabs/go-tools,golang/tools,golang/tools,syreclabs/go-tools