strftime.c: set buffer length
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54252 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
strftime.c: set buffer length
keep just put part.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54252 b2dd03c8-39d4-4d8f-98ff-823fe69b080e