[4.0] 55154c9 Fix varnishd usage output typo

[Lasse Karstensen]

commit 55154c9c8ad4519362ff778df461833562c20f4a
Author: Martin Blix Grydeland <martin at varnish-software.com>
Date:   Tue Oct 7 15:49:13 2014 +0200

    Fix varnishd usage output typo

diff --git a/bin/varnishd/mgt/mgt_main.c b/bin/varnishd/mgt/mgt_main.c
index cb0896d..ae90fe0 100644
--- a/bin/varnishd/mgt/mgt_main.c
+++ b/bin/varnishd/mgt/mgt_main.c
@@ -176,7 +176,7 @@ usage(void)
 	fprintf(stderr, FMT, "", "  -s file,<dir_or_file>,<size>");
 	fprintf(stderr, FMT, "",
 	    "  -s file,<dir_or_file>,<size>,<granularity>");
-	fprintf(stderr, FMT, "", "  -s persist{experimenta}");
+	fprintf(stderr, FMT, "", "  -s persist{experimental}");
 	fprintf(stderr, FMT, "-S secret-file",
 	    "Secret file for CLI authentication");
 	fprintf(stderr, FMT, "-T address:port",