Fixed a command line option type for builtin-fsck.c

The typo was introduced by 5ac0a2063e
(Make builtin-fsck.c use parse_options.)

Signed-off-by: Emil Medve <Emilian.Medve@Freescale.com>
Acked-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin-fsck.c

@@ -680,7 +680,7 @@ static struct option fsck_opts[] = {
 	OPT_BOOLEAN(0, "cache", &keep_cache_objects, "make index objects head nodes"),
 	OPT_BOOLEAN(0, "reflogs", &include_reflogs, "make reflogs head nodes (default)"),
 	OPT_BOOLEAN(0, "full", &check_full, "also consider alternate objects"),
-	OPT_BOOLEAN(0, "struct", &check_strict, "enable more strict checking"),
+	OPT_BOOLEAN(0, "strict", &check_strict, "enable more strict checking"),
 	OPT_BOOLEAN(0, "lost-found", &write_lost_and_found,
 				"write dangling objects in .git/lost-found"),
 	OPT_END(),