watchdog: Include needed system header for function decls

These headers are needed on musl too.

(From OE-Core rev: 9cc6d5760febcafc19739a73a80c49fb3ee393df)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit a53722b962e79e0831c0fba24ef7c1cfda24971a)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-extended/watchdog/watchdog/0001-shutdown-Do-not-guard-sys-quota.h-sys-swap.h-and-sys.patch

@@ -0,0 +1,37 @@
+From ca1d379fa13c4055d42d2ff3a647b4397768efcd Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Tue, 23 Aug 2022 19:23:26 -0700
+Subject: [PATCH] shutdown: Do not guard sys/quota.h sys/swap.h and
+ sys/reboot.h with __GLIBC__
+
+These headers are provided by uclibc/musl/glibc and bionic so we can
+assume they are not needed to be glibc specific includes. This also
+ensures that we get proper declaration of reboot() API
+
+Upstream-Status: Submitted [https://sourceforge.net/p/watchdog/patches/12/]
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ src/shutdown.c | 4 ----
+ 1 file changed, 4 deletions(-)
+
+diff --git a/src/shutdown.c b/src/shutdown.c
+index 1d9a857..6aea0d0 100644
+--- a/src/shutdown.c
++++ b/src/shutdown.c
+@@ -29,13 +29,9 @@
+ #include "extern.h"
+ #include "ext2_mnt.h"
+ 
+-#if defined __GLIBC__
+ #include <sys/quota.h>
+ #include <sys/swap.h>
+ #include <sys/reboot.h>
+-#else				/* __GLIBC__ */
+-#include <linux/quota.h>
+-#endif				/* __GLIBC__ */
+ 
+ #include <unistd.h>
+ 
+-- 
+2.37.2
+

meta/recipes-extended/watchdog/watchdog_5.16.bb

@@ -13,6 +13,7 @@ SRC_URI = "${SOURCEFORGE_MIRROR}/watchdog/watchdog-${PV}.tar.gz \
            file://watchdog.init \
            file://wd_keepalive.init \
            file://0001-wd_keepalive.service-use-run-instead-of-var-run.patch \
+           file://0001-shutdown-Do-not-guard-sys-quota.h-sys-swap.h-and-sys.patch \
 "
 
 SRC_URI[md5sum] = "1b4f51cabc64d1bee2fce7cdd626831f"