libdaemon: Explicitly include unisttd.h instead of sys/unistd.h

Fixes build errors on musl

Change-Id: Ia00bdc9c0578c8d5e1249c9d433079d795e83cb2
(From OE-Core rev: bdd9bd8beaf49133cd62b27255897cdbd2b42b49)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-support/libdaemon/libdaemon/fix-includes.patch

@@ -0,0 +1,20 @@
+musl complains
+fatal error: sys/unistd.h: No such file or directory
+and rightly so
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+Upstream-Status: Pending
+
+--- libdaemon-0.14.orig/examples/testd.c
++++ libdaemon-0.14/examples/testd.c
+@@ -21,9 +21,9 @@
+ #include <signal.h>
+ #include <errno.h>
+ #include <string.h>
++#include <unistd.h>
+ #include <sys/types.h>
+ #include <sys/time.h>
+-#include <sys/unistd.h>
+ #include <sys/select.h>
+ 
+ #include <libdaemon/dfork.h>

meta/recipes-support/libdaemon/libdaemon_0.14.bb

@@ -6,7 +6,9 @@ LICENSE = "LGPLv2.1+"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=2d5025d4aa3495befef8f17206a5b0a1 \
                     file://libdaemon/daemon.h;beginline=9;endline=21;md5=bd9fbe57cd96d1a5848a8ba12d9a6bf4"
 
-SRC_URI = "http://0pointer.de/lennart/projects/libdaemon/libdaemon-${PV}.tar.gz"
+SRC_URI = "http://0pointer.de/lennart/projects/libdaemon/libdaemon-${PV}.tar.gz \
+           file://fix-includes.patch \
+          "
 
 SRC_URI[md5sum] = "509dc27107c21bcd9fbf2f95f5669563"
 SRC_URI[sha256sum] = "fd23eb5f6f986dcc7e708307355ba3289abe03cc381fc47a80bca4a50aa6b834"