[ruby-cvs:53570] nobu:r46424 (trunk): string.c: fix wrong capa

[nobu at ruby-lang.org]

nobu	2014-06-14 10:53:32 +0900 (Sat, 14 Jun 2014)

  New Revision: 46424

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=46424

  Log:
    string.c: fix wrong capa
    
    * string.c (rb_str_resize): update capa only when buffer get
      reallocated.
      http://d.hatena.ne.jp/nagachika/20140613/ruby_trunk_changes_46413_46420#r46413

  Modified files:
    trunk/ChangeLog
    trunk/string.c