btrfs-progs: fix build with e2fsprogs 1.44.0

btrfs-progs: fix build with e2fsprogs 1.44.0

e2fsprogs 1.44.0 renamed a struct field name, breaking the build of code
using it. Add a patch suggested upstream to fix that.

Fixes:
http://autobuild.buildroot.net/results/d6b/d6b5fb377f44d0b6eef96c08e550ec7277a9e3cd/
http://autobuild.buildroot.net/results/651/651518f12b8a98d53cb5402445a476bd2bf32155/
http://autobuild.buildroot.net/results/3c7/3c771455cbc8460fffab6c4dd9835ee4a5776c19/

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>