merge revision(s) r46485: [Backport #9897]
* ext/fiddle/extconf.rb: supply 0 to fill RUBY_LIBFFI_MODVERSION with 3-digit. libffi 3.1 returns just 2-digit. [ruby-core:62920] [Bug #9897]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@46609 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) r46485: [Backport #9897]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@46609 b2dd03c8-39d4-4d8f-98ff-823fe69b080e