fix success detection read loop

git-svn-id: file:///home/svn/framework3/trunk@11535 4d416f70-5f16-0410-b530-b9f4589650da

modules/auxiliary/scanner/rservices/rlogin_login.rb

@@ -275,7 +275,8 @@ class Metasploit3 < Msf::Auxiliary
 
 			# Allow for slow echos
 			1.upto(10) do
-				recv(self.sock, 0.10) if @recvd == recvd_sample
+				recv(self.sock, 0.10)
+				break if login_succeeded?
 			end
 
 			vprint_status("#{rhost}:#{rport} Result: #{@recvd.gsub(/[\r\n\e\b\a]/, ' ')}")