fix more silly tab completion behavior

git-svn-id: file:///home/svn/framework3/trunk@11546 4d416f70-5f16-0410-b530-b9f4589650da

lib/msf/ui/console/command_dispatcher.rb

@@ -88,11 +88,11 @@ module CommandDispatcher
 		if (commands.include?(words[0]))
 			if (self.respond_to?('cmd_'+words[0]+'_tabs')) 
 				res = self.send('cmd_'+words[0]+'_tabs', str, words)
-				return nil if res.nil?
+				return [] if res.nil?
 				items.concat(res)
 			else
 				# Avoid the default completion list for known commands
-				return nil
+				return []
 			end
 		end
 

lib/rex/post/meterpreter/ui/console/command_dispatcher/core.rb

@@ -595,11 +595,11 @@ class Console::CommandDispatcher::Core
 		if (commands.include?(words[0]))
 			if (self.respond_to?('cmd_'+words[0]+'_tabs'))
 				res = self.send('cmd_'+words[0]+'_tabs', str, words)
-				return nil if res.nil?
+				return [] if res.nil?
 				items.concat(res)
 			else
 				# Avoid the default completion list for known commands
-				return nil
+				return []
 			end
 		end