lockdev: fix S!=B failure

This package does not like being built out-of-tree.

Fixes:
[...]/lockdev/1.0.3+gitAUTOINC+16b899645d-r0/git/scripts/git-version: line 3:
NEWS: No such file or directory

Signed-off-by: Tim Orling <TicoTimo@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>