Use print_brute instead of print_good for format consistency

modules/auxiliary/scanner/mysql/mysql_login.rb

@@ -76,7 +76,7 @@ class Metasploit3 < Msf::Auxiliary
             credential_data[:core] = credential_core
             create_credential_login(credential_data)
 
-            print_good "#{ip}:#{rport} - LOGIN SUCCESSFUL: #{result.credential}"
+            print_brute :level => :good, :ip => ip, :msg => "Success: '#{result.credential}'"
           else
             invalidate_login(credential_data)
             vprint_error "#{ip}:#{rport} - LOGIN FAILED: #{result.credential} (#{result.status}: #{result.proof})"