Log Message:
-----------
display hostname only if we can get it
Modified Files:
--------------
pgfouine/include/reporting:
HtmlReportAggregator.class.php (r1.12 -> r1.13)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgfouine/pgfouine/include/reporting/HtmlReportAggregator.class.php.diff?r1=1.12&r2=1.13)