win32/setup.mak: separate verconf.mk
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46393 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
win32/setup.mak: separate verconf.mk
Makefile so that build would not stop everyday.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46393 b2dd03c8-39d4-4d8f-98ff-823fe69b080e