dln.c: dln_incompatible_library_p
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61577 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
dln.c: dln_incompatible_library_p
with dln prefix, since it is not bound to xmalloc restrictively.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61577 b2dd03c8-39d4-4d8f-98ff-823fe69b080e