See the complaint on #4039. This doesn't fix that particular
issue (it's somewhat unrelated), but does solve around
a file parsing problem reported by @void-in
Change all Platform 'windows' to 'win', as it internally is an alias
anyway and only causes unnecessary confusion to have two platform names
that mean the same.
Resolves:
[-] WARNING! The following modules could not be loaded!
[-] contrib/metasploit-framework/modules/post/windows/escalate/getsystem.rb: NameError uninitialized constant Msf::Post::Windows