* pack.c: Support Q! and q! for long long.
  (natstr): Moved to toplevel.  Add q and Q if there is long long type.
  (endstr): Moved to toplevel.
  (NATINT_PACK): Consider long long.
  (NATINT_LEN_Q): New macro.
  (pack_pack): Support Q! and q!.
  (pack_unpack): Ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40067 b2dd03c8-39d4-4d8f-98ff-823fe69b080e