ld: ignore stab symbols
ld: ignore stab symbols

Makes 6l work better on OS X 10.5.

Fixes issue 1352.
Fixes issue 1353.

R=r
CC=golang-dev
http://codereview.appspot.com/3661042

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