oslib/libmtd: Removing useless err assigment
authorErwan Velu <erwan@redhat.com>
Tue, 3 Oct 2017 09:26:44 +0000 (11:26 +0200)
committerJens Axboe <axboe@kernel.dk>
Tue, 3 Oct 2017 15:06:33 +0000 (09:06 -0600)
At this point, setting up err to 0 is useless since it is never read again.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

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