Include <sys/sysmacros.h> for major()/minor()

GNU libc pulls them implicitly from <sys/types.h>, but it will not do
that at some point in the future.  Hence, include <sys/sysmacros.h>
explicitly.

cat/ls.c

@@ -31,6 +31,7 @@
 #include <assert.h>
 #include <time.h>
 #include <libintl.h>
+#include <sys/sysmacros.h>
 
 #include "human.h"
 

daemon/mknod.c

@@ -25,6 +25,7 @@
 #include <fcntl.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <sys/sysmacros.h>
 
 #include "guestfs_protocol.h"
 #include "daemon.h"

diff/diff.c

@@ -32,6 +32,7 @@
 #include <time.h>
 #include <libintl.h>
 #include <sys/wait.h>
+#include <sys/sysmacros.h>
 
 #include "c-ctype.h"
 #include "human.h"

mllib/dev_t-c.c

@@ -21,6 +21,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/types.h>
+#include <sys/sysmacros.h>
 
 #include <caml/mlvalues.h>
 

p2v/main.c

@@ -32,6 +32,7 @@
 #include <libintl.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <sys/sysmacros.h>
 
 /* errors in <gtk.h> */
 #pragma GCC diagnostic push

src/fuse.c

@@ -26,6 +26,7 @@
 #include <sys/wait.h>
 #include <string.h>
 #include <libintl.h>
+#include <sys/sysmacros.h>
 
 #if HAVE_FUSE
 /* See <attr/xattr.h> */