Mac standalones generated on Linux and Windows

[Richmond]

This is an old chestnut:

http://use-livecode.runrev.narkive.com/XpqiPfKN/creating-mac-standalone-on-windows-studio

http://forums.livecode.com/viewtopic.php?f=8&t=26320&p=136924#p136924

I wonder if there is a way to solve this, as having to have access to a 
Macintosh computer
to set the executable bit inside bundles is a "right bu**er".

Richmond.