build: handle broken awk in version.bash
build: handle broken awk in version.bash

R=adg, rsc, ality
CC=golang-dev
http://codereview.appspot.com/4281069

Committer: Russ Cox <5ad239cb8a44f659eaaee0aa1ea5b94947abe557@golang.org>

npe9/noahevans-go9,scirelli/scirelli-go,webfd/go-zh,rdp/rogerpack2005-golang,rflanagan/reginaldflanagan-project1,sanjosh/sanjos100-tipc,rdp/rogerpack2005-golang,Triskite/willstone-goclone,rflanagan/reginaldflanagan-project1,Triskite/willstone-goclone,bryanxu/go-zh,webfd/go-zh,Triskite/willstone-goclone,Triskite/willstone-goclone,mhennings/marcohennings-go,npe9/noahevans-go9,scirelli/scirelli-go,glycerine/jeaten-go-arrayof-structof,bryanxu/go-zh,mhennings/marcohennings-go,glycerine/jeaten-go-arrayof-structof,d0f/go-zh,npe9/noahevans-go9,glycerine/jeaten-go-arrayof-structof,rflanagan/reginaldflanagan-project1,sanjosh/sanjos100-tipc,scirelli/scirelli-go,webfd/go-zh,mhennings/marcohennings-go,bryanxu/go-zh,rflanagan/reginaldflanagan-project1,rflanagan/reginaldflanagan-project1,glycerine/jeaten-go-arrayof-structof,mhennings/marcohennings-go,d0f/go-zh,sanjosh/sanjos100-tipc,d0f/go-zh,glycerine/jeaten-go-arrayof-structof,bryanxu/go-zh,sanjosh/sanjos100-tipc,d0f/go-zh,glycerine/jeaten-go-arrayof-structof,webfd/go-zh,mhennings/marcohennings-go,scirelli/scirelli-go,rdp/rogerpack2005-golang,rdp/rogerpack2005-golang,rflanagan/reginaldflanagan-project1,npe9/noahevans-go9,scirelli/scirelli-go,webfd/go-zh,scirelli/scirelli-go,Triskite/willstone-goclone,rflanagan/reginaldflanagan-project1,sanjosh/sanjos100-tipc,scirelli/scirelli-go,bryanxu/go-zh,Triskite/willstone-goclone,sanjosh/sanjos100-tipc,d0f/go-zh,rdp/rogerpack2005-golang,d0f/go-zh,sanjosh/sanjos100-tipc,webfd/go-zh,npe9/noahevans-go9,mhennings/marcohennings-go,Triskite/willstone-goclone,rdp/rogerpack2005-golang,rdp/rogerpack2005-golang,bryanxu/go-zh,npe9/noahevans-go9,sanjosh/sanjos100-tipc,glycerine/jeaten-go-arrayof-structof,rdp/rogerpack2005-golang,bryanxu/go-zh,glycerine/jeaten-go-arrayof-structof,mhennings/marcohennings-go,Triskite/willstone-goclone,bryanxu/go-zh,mhennings/marcohennings-go,d0f/go-zh,webfd/go-zh,npe9/noahevans-go9,npe9/noahevans-go9,scirelli/scirelli-go,webfd/go-zh,d0f/go-zh,rflanagan/reginaldflanagan-project1