Add New Directive "ModPagespeedStatistics off"

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What steps will reproduce the problem?
1.add ModPagepseedStatistics off to conf
2.start apache

What is the expected output? What do you see instead?
Apache restart failed. Unable to load pid from pid file and no httpd process 
found in process list.

If apache restart reported success but it failed soon after, it may be caused 
by oddities with mod_ssl.

You should run /scripts/ssl_crt_status as part of your troubleshooting process. 
Pass it --help for more details.

Also be sure to examine apache's variouse log files.
Apache Restart Output:
Syntax error on line 266 of 
/usr/local/apache/conf/includes/post_virtualhost_global.conf:
Invalid command 'ModPagepseedStatistics', perhaps misspelled or defined by a 
module not included in the server configuration

What version of the product are you using (please check X-Mod-Pagespeed
header)?

X-Mod-Pagespeed 0.9.11.5-298

On what operating system?

centos 5.5

Which version of Apache?

2.2.17 (cpanel::easyapache)

Which MPM?

prefork

Original issue reported on code.google.com by ericker...@gmail.com on 10 Dec 2010 at 9:25