Fixes #248. Catch empty returns from pgets

git-svn-id: file:///home/svn/framework3/trunk@5860 4d416f70-5f16-0410-b530-b9f4589650da

lib/rex/post/meterpreter/ui/console/interactive_channel.rb

@@ -67,7 +67,7 @@ module Console::InteractiveChannel
 	#
 	def _stream_read_local_write_remote(channel)
 		data = user_input.gets
-
+		return if not data
 		self.write(data)
 	end
 
@@ -92,4 +92,4 @@ end
 end
 end
 end
-end
+end