blktool: update to 4-7.1

This update adds a patch from Debian to match the latest version there.

(From OE-Core rev: 11fdad15c2c8f4b4be696008bac0841a271aa161)

Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-extended/blktool/blktool/0004-fix-ftbfs-glibc-2.28.patch

@@ -0,0 +1,19 @@
+Description: Fix FTBFS with glibc 2.28
+Author: Adrian Bunk <bunk@debian.org>
+Bug-Debian: https://bugs.debian.org/917055
+
+This patch is taken from
+http://ftp.debian.org/debian/pool/main/b/blktool/blktool_4-7.1.debian.tar.xz
+
+Upstream-Status: Inappropriate [upstream is dead]
+Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
+--- 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>

meta/recipes-extended/blktool/blktool_4-7.1.bb

@@ -13,6 +13,7 @@ SRC_URI = "http://snapshot.debian.org/archive/debian/20160728T043443Z/pool/main/
            file://0001-fix-typos-in-manpage.patch \
            file://0002-fix-string-error.patch \
            file://0003-Fix-3-d-argument-for-BLKROSET-it-must-be-const-int.patch \
+           file://0004-fix-ftbfs-glibc-2.28.patch \
            file://blktool-gnulib-makedev.patch \
           "