dm raid1: fix do_failures
dm raid1: fix do_failures

Missing braces.  Commit 1f965b1943 (dm raid1: separate region_hash interface
part1) broke it.

Signed-off-by: Ilpo Jarvinen <5801dcaebe162b451612454667e6a167cf0222c1@helsinki.fi>
Signed-off-by: Alasdair G Kergon <620085386a2c64ec2f1d43bef997c15003f13da2@redhat.com>
Cc: Heinz Mauelshagen <830d0027c0c61aa05426513575f8d98ef7d82466@redhat.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs