gotest: fix a bug in error handling. If the command couldn't be found, argv[0] would be wiped. Also, fix a print statement not to refer to make - it was a vestige of a prior form.
gotest: fix a bug in error handling.
If the command couldn't be found, argv[0] would be wiped.
Also, fix a print statement not to refer to make - it was a vestige of a prior form.

R=rsc, gri
CC=golang-dev
http://codereview.appspot.com/4360048

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