merge revision(s) 34254,34256:
* ext/readline/readline.c (readline_attempted_completion_function): empty completion result does not mean memory error. * ext/readline/readline.c (readline_attempted_completion_function): fix compile error.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@34479 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 34254,34256:
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@34479 b2dd03c8-39d4-4d8f-98ff-823fe69b080e