git: 56b40c285b59 - main - build: add -Wswitch to clang for more consistency with gcc

The branch main has been updated by rscheff:

URL: https://cgit.FreeBSD.org/src/commit/?id=56b40c285b5994d64e7e8fba821c57f86e91502c

commit 56b40c285b5994d64e7e8fba821c57f86e91502c
Author:     Richard Scheffenegger <rscheff@FreeBSD.org>
AuthorDate: 2024-03-21 21:47:39 +0000
Commit:     Richard Scheffenegger <rscheff@FreeBSD.org>
CommitDate: 2024-03-22 00:39:01 +0000

    build: add -Wswitch to clang for more consistency with gcc
    
    gcc12 and gcc13 appear to include Wswitch with Wall, while
    clang doesn't. For switch() statements on enum, this forces
    the use of at least a default: clause, in adherance with style(9).
    
    Reviewed By:    emaste
    Sponsored by:   NetApp, Inc.
    Differential Revision:  https://reviews.freebsd.org/D44092
---
 sys/conf/kern.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/conf/kern.mk b/sys/conf/kern.mk
index 53781927dee8..5cd3a43f01b8 100644
--- a/sys/conf/kern.mk
+++ b/sys/conf/kern.mk
@@ -6,7 +6,7 @@ CWARNFLAGS?=	-Wall -Wstrict-prototypes \
 		-Wmissing-prototypes -Wpointer-arith -Wcast-qual \
 		-Wundef -Wno-pointer-sign ${FORMAT_EXTENSIONS} \
 		-Wmissing-include-dirs -fdiagnostics-show-option \
-		-Wno-unknown-pragmas \
+		-Wno-unknown-pragmas -Wswitch \
 		${CWARNEXTRA}
 #
 # The following flags are next up for working on: