websocket: fix incorrect prints found by govet
websocket: fix incorrect prints found by govet

R=golang-dev, dsymonds
CC=golang-dev
http://codereview.appspot.com/4963059

Committer: David Symonds <7f6bb564ed9e580d4f0aa90d53b34578e5d24cb9@golang.org>

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