configure.in: fallback DLDFLAGS to LDFLAGS
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56472 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
configure.in: fallback DLDFLAGS to LDFLAGS
[ruby-core:72444] [Bug #11863]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56472 b2dd03c8-39d4-4d8f-98ff-823fe69b080e