sprintf.c: hash default value
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52530 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
sprintf.c: hash default value
longer raises KeyError unless the default value of the hash is
nil. [ruby-core:71354] [Bug #11661]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52530 b2dd03c8-39d4-4d8f-98ff-823fe69b080e