Fix targets to be more specific

Author: David Maloney

modules/exploits/windows/winrm/winrm_powershell.rb

@@ -43,7 +43,7 @@ def initialize(info = {})
 			'Arch'          => [ ARCH_X86, ARCH_X86_64 ],
 			'Targets'        =>
 				[
-					[ 'Automatic', { } ],
+					[ 'Windows with Powershell', { } ],
 				],
 			'DefaultTarget'  => 0,
 			'DisclosureDate' => 'Nov 01 2012'
@@ -67,6 +67,9 @@ def check
 		if streams['stdout'].include? 'Unrestricted'
 			return Msf::Exploit::CheckCode::Vulnerable
 		else
+			unless streams['stderr'] = ''
+				print_error streams['stderr']
+			end
 			return Msf::Exploit::CheckCode::Safe
 		end
 	end