Ticket 47535 - update man page

Forgot to add the new flag to the top of the man page that gives the basic usage.

https://fedorahosted.org/389/ticket/47535

man/man1/logconv.pl.1

@@ -20,7 +20,7 @@ logconv.pl \- analyzes Directory Server access log files
 .SH SYNOPSIS
 .B logconv.pl 
 [\fI\-h\fR] [\fI\-d <rootDN>\fR] [\fI\-s <size limit>\fR] [\fI\-v\fR] [\fI\-V\fR]
-[\fI\-S <start time>\fR] [\fI\-E <end time>\fR]
+[\fI\-S <start time>\fR] [\fI\-E <end time>\fR] [\fI\-T <min etime>\fR]
 [\fI\-efcibaltnxgjuU\fR] [\fI access log ... ... \fR]
 .PP
 .SH DESCRIPTION