Add missing require statements

[zeroSteiner]

This adds missing require statements so once the WindowsError module is loaded, the Win32, NTStatus and HResult modules are all accessible without needing to be required individually.

Trying to fix instances like this in Metasploit Framework where WindowsError is loaded but the others are not.

[-] 192.168.159.10:445 - Auxiliary failed: NameError uninitialized constant WindowsError::HResult
[-] 192.168.159.10:445 - Call stack:
[-] 192.168.159.10:445 -   /home/smcintyre/Repositories/metasploit-framework/lib/msf/core/exploit/remote/ms_icpr.rb:187:in `do_request_cert'
[-] 192.168.159.10:445 -   /home/smcintyre/Repositories/metasploit-framework/lib/msf/core/exploit/remote/ms_icpr.rb:100:in `request_certificate'
[-] 192.168.159.10:445 -   /home/smcintyre/Repositories/metasploit-framework/modules/auxiliary/admin/dcerpc/icpr_cert.rb:68:in `block in action_request_cert'
[-] 192.168.159.10:445 -   /home/smcintyre/Repositories/metasploit-framework/modules/auxiliary/admin/dcerpc/icpr_cert.rb:83:in `with_ipc_tree'
[-] 192.168.159.10:445 -   /home/smcintyre/Repositories/metasploit-framework/modules/auxiliary/admin/dcerpc/icpr_cert.rb:67:in `action_request_cert'
[-] 192.168.159.10:445 -   /home/smcintyre/Repositories/metasploit-framework/modules/auxiliary/admin/dcerpc/icpr_cert.rb:53:in `run'