* process.c (OBJ2UID1): Defined even if getpwnam_r is not usable.
  (OBJ2GID1): Defined even if getgrnam_r is not usable.
  This fixes compilation error on Android.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45541 b2dd03c8-39d4-4d8f-98ff-823fe69b080e