[release-branch.r58] runtime/cgo: fix for OS X 10.7

««« CL 4603057 / 0905a2ca94c6
runtime/cgo: fix for OS X 10.7

Correct a few error messages (libcgo -> runtime/cgo)
and delete old nacl_386.c file too.

Fixes #1657.

R=iant
CC=golang-dev
https://golang.org/cl/4603057
»»»

R=adg
CC=golang-dev
https://golang.org/cl/4698041
4 files changed