Handle the special case of x64-mingw32 for Array#pack('J') specs
Handle the special case of x64-mingw32 for Array#pack('J') specs

sgarciac/spec,ruby/spec,nobu/rubyspec,nobu/rubyspec,eregon/rubyspec,ruby/spec,kachick/rubyspec,eregon/rubyspec,sgarciac/spec,sgarciac/spec,nobu/rubyspec,ruby/rubyspec,ruby/spec,eregon/rubyspec,kachick/rubyspec,ruby/rubyspec,kachick/rubyspec