libext2fs: fix uninitialized variable dereference in extent_bmap()

The code path was failing to initialize the logial block number hint
in the allocation context.  It's not currently being used, but it
might be in the future, and it trips warnings in static code
analyzers.

Fixes-Coverity-Bug: 709545
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
1 file changed