config/udev: Include header <sys/sysmacros.h> to use major/minor

glibc 2.25 has dropped sys/sysmacros.h from sys/types.h, so add
it explicitly in config/udev.c.

This is similar to the commit 84e3b96b53

Signed-off-by: Manoj Gupta <manojgupta@chromium.org>
Reviewed-by: Adam Jackson <ajax@redhat.com>

config/udev.c

@@ -39,6 +39,10 @@
 #include "globals.h"
 #include "systemd-logind.h"
 
+#ifdef HAVE_SYS_SYSMACROS_H
+#include <sys/sysmacros.h>
+#endif
+
 #define UDEV_XKB_PROP_KEY "xkb"
 
 #define LOG_PROPERTY(path, prop, val)                                   \

include/dix-config.h.in

@@ -506,4 +506,7 @@
 /* Have epoll_create1() */
 #undef HAVE_EPOLL_CREATE1
 
+/* Have <sys/sysmacros.h> header */
+#undef HAVE_SYS_SYSMACROS_H
+
 #endif /* _DIX_CONFIG_H_ */