ld: don't skip first 2 symbols in ldpe. some object files don't has file name symbol.
ld: don't skip first 2 symbols in ldpe.
some object files don't has file name symbol.

R=golang-dev, lucio.dere, rsc
CC=golang-dev
http://codereview.appspot.com/4814051

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

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