configure.in (config.h): add include guard.
win32/Makefile.sub, bcc32/Makefile.sub (config.h): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28759 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by nobu (Nobuyoshi Nakada) almost 15 years ago
configure.in (config.h): add include guard.
win32/Makefile.sub, bcc32/Makefile.sub (config.h): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28759 b2dd03c8-39d4-4d8f-98ff-823fe69b080e