add commented uuid param to mod_logfile's default config

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@15537 d0543943-73ff-0310-b7d9-9358b9ac24b2

conf/autoload_configs/logfile.conf.xml

@@ -10,6 +10,8 @@
 	<!--<param name="logfile" value="/var/log/freeswitch.log"/>-->
         <!-- At this length in bytes rotate the log file (0 for never) -->
         <param name="rollover" value="10485760"/>
+		<!-- Uncomment to prefix all log lines by the session's uuid  -->
+		<!-- <param name="uuid" value="true" /> -->
       </settings>
       <mappings>
 	<!--