merge revision(s) 44514: [Backport #9374]
* ext/json/generator/depend: add build dependencies for json extension [Bug #9374] [ruby-core:59609] * ext/json/parser/depend: ditto
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@44947 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 44514: [Backport #9374]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@44947 b2dd03c8-39d4-4d8f-98ff-823fe69b080e