cmd/ld: skip R_*_NONE relocations, fix Linux/386 build again The last fix was wrong w.r.t C's operator precedence, and it also failed to really skip the NONE relocation.
cmd/ld: skip R_*_NONE relocations, fix Linux/386 build again
The last fix was wrong w.r.t C's operator precedence,
and it also failed to really skip the NONE relocation.

The offending R_386_NONE relocation is a absolute
relocation in section .eh_frame.

TBR=golang-dev
CC=golang-dev
http://codereview.appspot.com/6463058

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