string.c: fix rb_external_str_new_with_enc
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by nobu (Nobuyoshi Nakada) over 6 years ago
string.c: fix rb_external_str_new_with_enc
by NULL pointer. [ruby-core:84055] [Bug #14150]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e