Add a short help text to sensors-conf-convert.

git-svn-id: http://lm-sensors.org/svn/lm-sensors/branches/lm-sensors-3.0.0@4894 7894878c-1315-0410-8ee3-d5d059ff63e0

CHANGES

@@ -5,6 +5,7 @@ SVN
   Makefile: Add sensors-conf-convert to make install
   sensord: Log the error code on failure
   sensors: Fix spurious critical temperature alarm
+  sensors-conf-convert: Add a short help text
 
 3.0.0-rc1 (2007-09-25)
   Initial release

etc/sensors-conf-convert

@@ -363,6 +363,12 @@ BEGIN
 			qr/\bfan\d_(max|safe)\b/,
 		],
 	);
+
+	if (defined $ARGV[0] && ($ARGV[0] eq '-h' || $ARGV[0] eq '--help')) {
+		print "Convert sensors.conf from lm-sensors 2 format to lm-sensors 3 format\n",
+		      "Typical usage: sensors-conf-convert /etc/sensors.conf\n";
+		exit 0;
+	}
 }
 
 if ($. == 1) {