merge revision(s) 49244: [Backport #6232]
* ext/readline/readline.c (readline_s_refresh_line): initialize before rl_refresh_line(), as some function make the internal state non-clean but rl_refresh_line() does not re-initialize it. [ruby-core:43957] [Bug #6232]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@49424 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 49244: [Backport #6232]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@49424 b2dd03c8-39d4-4d8f-98ff-823fe69b080e