btrfs-progs: update to 4.15.1.

Closes: #11686 [via git-merge-pr]

srcpkgs/btrfs-progs/patches/musl.patch

@@ -1,20 +0,0 @@
---- convert/source-fs.h.orig	2017-09-08 14:20:05.000000000 +0000
-+++ convert/source-fs.h	2017-09-09 08:48:46.648264368 +0000
-@@ -20,6 +20,7 @@
- #include "kerncompat.h"
- #include <linux/kdev_t.h>
- #include <pthread.h>
-+#include <sys/types.h>
- 
- #define CONV_IMAGE_SUBVOL_OBJECTID BTRFS_FIRST_FREE_OBJECTID
- 
---- mkfs/main.c
-+++ mkfs/main.c
-@@ -26,6 +26,7 @@
- #include <stdlib.h>
- /* #include <sys/dir.h> included via androidcompat.h */
- #include <fcntl.h>
-+#include <limits.h> /* for PATH_MAX */
- #include <unistd.h>
- #include <getopt.h>
- #include <uuid/uuid.h>

srcpkgs/btrfs-progs/template

@@ -1,6 +1,6 @@
 # Template file for 'btrfs-progs'
 pkgname=btrfs-progs
-version=4.15
+version=4.15.1
 revision=1
 wrksrc=${pkgname}-v${version}
 build_style=gnu-configure
@@ -13,7 +13,7 @@ maintainer="Juan RP <xtraeme@voidlinux.eu>"
 license="GPL-2"
 homepage="http://btrfs.wiki.kernel.org/"
 distfiles="${KERNEL_SITE}/kernel/people/kdave/${pkgname}/${pkgname}-v${version}.tar.xz"
-checksum=9e3528c60c76970b73297ea4b01bdc23a70c39c82d540b61cf07a7c0612339e9
+checksum=67102ac0d6795f368acc94efaca29b6626d972638790a4a0c9f89a27cd543f96
 make_check_target="test"
 
 pre_configure() {