git: 5762de724318 - main - Mark usage function as __dead2 in programs where it does not return

The branch main has been updated by imp:

URL: https://cgit.FreeBSD.org/src/commit/?id=5762de7243180668137208ec377eefe164283206

commit 5762de7243180668137208ec377eefe164283206
Author:     Alfonso Gregory <gfunni234@gmail.com>
AuthorDate: 2023-07-07 16:39:23 +0000
Commit:     Warner Losh <imp@FreeBSD.org>
CommitDate: 2023-07-07 16:45:17 +0000

    Mark usage function as __dead2 in programs where it does not return
    
    In most cases, usage does not return, so mark them as __dead2. For the
    cases where they do return, they have not been marked __dead2.
    
    Reviewed by: imp
    Pull Request: https://github.com/freebsd/freebsd-src/pull/735
---
 stand/powerpc/boot1.chrp/boot1.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stand/powerpc/boot1.chrp/boot1.c b/stand/powerpc/boot1.chrp/boot1.c
index ed7c55d11d6f..2423b5680551 100644
--- a/stand/powerpc/boot1.chrp/boot1.c
+++ b/stand/powerpc/boot1.chrp/boot1.c
@@ -58,7 +58,7 @@ static void exit(int) __dead2;
 static void load(const char *);
 static int dskread(void *, uint64_t, int);
 
-static void usage(void);
+static void usage(void) __dead2;
 
 static void bcopy(const void *src, void *dst, size_t len);
 static void bzero(void *b, size_t len);