tools/squashfs4: include sysmacros.h explicitly

glibc is moving to remove the include of sys/sysmacros.h from
sys/types.h, and some distros have done this early. Other libcs may
already lack this include. Include sysmacros.h explicitly.

Fixes: FS#1017

Signed-off-by: Alex Maclean <monkeh@monkeh.net>
[refresh patches]
Signed-off-by: Mathias Kresin <dev@kresin.me>

tools/squashfs4/patches/130-include_sysmacros.patch

@@ -0,0 +1,20 @@
+--- a/squashfs-tools/mksquashfs.c
++++ b/squashfs-tools/mksquashfs.c
+@@ -33,6 +33,7 @@
+ #include <stddef.h>
+ #include <sys/time.h>
+ #include <sys/types.h>
++#include <sys/sysmacros.h>
+ #include <sys/stat.h>
+ #include <fcntl.h>
+ #include <errno.h>
+--- a/squashfs-tools/unsquashfs.c
++++ b/squashfs-tools/unsquashfs.c
+@@ -30,6 +30,7 @@
+ #include "xattr.h"
+ 
+ #include <sys/types.h>
++#include <sys/sysmacros.h>
+ 
+ struct cache *fragment_cache, *data_cache;
+ struct queue *to_reader, *to_deflate, *to_writer, *from_writer;