btrfs-progs: bump to version 3.18.2

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/btrfs-progs/btrfs-progs.hash

@@ -1,2 +1,2 @@
 # From https://www.kernel.org/pub/linux/kernel/people/kdave/btrfs-progs/sha256sums.asc
-sha256	55509a3fa8e57deb4f41bb8a25cad850235b1285892c179bfcc914fec4abdd09	btrfs-progs-v3.18.1.tar.xz
+sha256	dd8ddb4d201e5ffd32a15ed0e1f33fbc2c8fb16383f1519a9fae136698c2dfec	btrfs-progs-v3.18.2.tar.xz

package/btrfs-progs/btrfs-progs.mk

@@ -4,11 +4,11 @@
 #
 ################################################################################
 
-BTRFS_PROGS_VERSION = 3.18.1
+BTRFS_PROGS_VERSION = 3.18.2
 BTRFS_PROGS_SITE = https://www.kernel.org/pub/linux/kernel/people/kdave/btrfs-progs
 BTRFS_PROGS_SOURCE = btrfs-progs-v$(BTRFS_PROGS_VERSION).tar.xz
 BTRFS_PROGS_DEPENDENCIES = acl attr e2fsprogs lzo util-linux zlib
-BTRFS_PROGS_MAKE_FLAGS = DISABLE_DOCUMENTATION=1
+BTRFS_PROGS_MAKE_FLAGS = DISABLE_DOCUMENTATION=1 DISABLE_BACKTRACE=1
 BTRFS_PROGS_LICENSE = GPLv2
 BTRFS_PROGS_LICENSE_FILES = COPYING