disklabel(8): Fix amd64 warnings.

diff --git a/sbin/disklabel/disklabel.c b/sbin/disklabel/disklabel.c
index 52fa108..75baf14 100644 (file)
--- a/sbin/disklabel/disklabel.c
+++ b/sbin/disklabel/disklabel.c
@@ -1719,7 +1719,7 @@ fixlabel(int f, struct disklabel32 *lp, int writeadj)
        u_int64_t offset;
        int part;
        int rev;
-       int rev_len = sizeof(rev);
+       size_t rev_len = sizeof(rev);
 
        if (sysctlbyname("kern.osrevision", &rev, &rev_len, NULL, 0) < 0) {
                errx(1, "Cannot use raw mode on non-DragonFly systems\n");