removed extra extern file_fdatawait_range

Jeff added this extern twice in commit a823e4589e

Fixes: a823e4589e ("mm: add file_fdatawait_range and file_write_and_wait")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Vasily Averin 2018-06-09 16:18:16 +03:00 • committed by Al Viro
commit cf85ec8870