git: 3599da158e39 - main - ipfw: Fix ipfw/dnctl detection

The branch main has been updated by kp:

URL: https://cgit.FreeBSD.org/src/commit/?id=3599da158e392ed1dd86bd3363d8bd014cf4da08

commit 3599da158e392ed1dd86bd3363d8bd014cf4da08
Author:     Goran Mekic <meka@tilda.center>
AuthorDate: 2022-11-22 08:53:20 +0000
Commit:     Kristof Provost <kp@FreeBSD.org>
CommitDate: 2022-11-22 08:53:20 +0000

    ipfw: Fix ipfw/dnctl detection
    
    Running "dnctl" vs "/sbin/dnctl" gave different results, because we
    looked at the entire argv[0] string, rather than the basename.
    
    Reviewed by:    kp
    Differential Revision:  https://reviews.freebsd.org/D37431
---
 sbin/ipfw/main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sbin/ipfw/main.c b/sbin/ipfw/main.c
index 1b9c7f324a9c..577224047cd0 100644
--- a/sbin/ipfw/main.c
+++ b/sbin/ipfw/main.c
@@ -30,6 +30,7 @@
 #include <string.h>
 #include <sysexits.h>
 #include <unistd.h>
+#include <libgen.h>
 
 #include "ipfw2.h"
 
@@ -682,7 +683,7 @@ main(int ac, char *av[])
 	}
 #endif
 
-	if (strcmp(av[0], "dnctl") == 0)
+	if (strcmp("dnctl", basename(av[0])) == 0)
 		g_co.prog = cmdline_prog_dnctl;
 	else
 		g_co.prog = cmdline_prog_ipfw;