git: f7523720d2ec - stable/13 - mkfile: getopt() returns an int, not a char.

The branch stable/13 has been updated by des:

URL: https://cgit.FreeBSD.org/src/commit/?id=f7523720d2eca9287a0bddf9d2233366fa37ae99

commit f7523720d2eca9287a0bddf9d2233366fa37ae99
Author:     Dag-Erling Smørgrav <des@FreeBSD.org>
AuthorDate: 2023-09-10 18:33:18 +0000
Commit:     Dag-Erling Smørgrav <des@FreeBSD.org>
CommitDate: 2023-09-14 14:59:52 +0000

    mkfile: getopt() returns an int, not a char.
    
    MFC after:      3 days
    Reviewed by:    kevans
    Differential Revision:  https://reviews.freebsd.org/D41804
    
    (cherry picked from commit ef8abddf103d9dfd5660d50d15e6dbfbb2f47f62)
---
 tests/sys/cddl/zfs/bin/mkfile.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/sys/cddl/zfs/bin/mkfile.c b/tests/sys/cddl/zfs/bin/mkfile.c
index b1034b9ca500..c1afdbd61196 100644
--- a/tests/sys/cddl/zfs/bin/mkfile.c
+++ b/tests/sys/cddl/zfs/bin/mkfile.c
@@ -168,7 +168,7 @@ int
 main(int argc, char *argv[])
 {
 	unsigned long long fsize;
-	char ch;
+	int ch;
 
 	/* We have at least 2 arguments. */
 	if (argc < 3) {