Added single dash to command line help usage.
@@ -208,6 +208,7 @@ cmd_help (void)
/* File Options */
"File Options\n\n"
+ " - - The log file to parse is read from stdin.\n"
" -f --log-file=<filename> - Path to input log file.\n"
" -l --debug-file=<filename> - Send all debug messages to the specified\n"
" file.\n"
