Update go to go-1.1pre-20130311. Many changes, most importantly:

Go binaries on NetBSD now run with the default ulimits  \o/.
Update to 0.3.3.6

ver 0.3.3.6
  Works again on GHC 7.2.x (thanks to Björn Peemöller)
ver 0.3.3.5
  Works on GHC 7.4.6
  Cleans up files for phantom modules that were left behind (thanks to
  Beltram Felgenhauer)