[master] ebd66cf missing cmd line options

[Per Buer]

commit ebd66cf01661f95e10dbe64d01675b44509f0fd7
Author: Per Buer <perbu at varnish-software.com>
Date:   Wed May 8 09:10:27 2013 +0200

    missing cmd line options

diff --git a/bin/varnishncsa/varnishncsa.c b/bin/varnishncsa/varnishncsa.c
index 3c66c7b..da056ed 100644
--- a/bin/varnishncsa/varnishncsa.c
+++ b/bin/varnishncsa/varnishncsa.c
@@ -875,8 +875,8 @@ usage(void)
 {
 
 	fprintf(stderr,
-	    "usage: varnishncsa %s [-aDV] [-n varnish_name] "
-	    "[-P file] [-w file]\n", VSL_USAGE);
+	    "usage: varnishncsa %s [-afDV] [-n varnish_name] "
+	    "[-P file] [-w file] [-F format] \n", VSL_USAGE);
 	exit(1);
 }