process.c: fix error check
getpwnam_r()
getgrnam_r()
errno
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58662 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
process.c: fix error check
getpwnam_r()andgetgrnam_r(), instead oferrno.git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58662 b2dd03c8-39d4-4d8f-98ff-823fe69b080e