Description: Fix FTBFS with glibc 2.28
Author: Adrian Bunk <bunk@debian.org>
Bug-Debian: https://bugs.debian.org/917055

--- blktool-4.orig/blktool.c
+++ blktool-4/blktool.c
@@ -18,6 +18,7 @@
 #include <unistd.h>
 #include <sys/stat.h>
 #include <sys/ioctl.h>
+#include <sys/sysmacros.h>
 #include <fcntl.h>
 #include <errno.h>
 #include <getopt.h>