authfs: fix crash on read_chunk of a remote file

testReadWithFsverityVerification_RemoteSmallerFile was actually broken
by the previous change (aosp/1647309). I might have had tested my
previous change against the unchanged executable in the apex.

Bug: 182173887
Test: atest
Change-Id: I42c21894460c427f11d104927e25bea4ec98ef5e
1 file changed
tree: 30f8ad876fa5a90837770ae8b55f283645324134
  1. apex/
  2. authfs/
  3. docs/
  4. microdroid/
  5. tests/
  6. virtmanager/
  7. vm/
  8. .clang-format
  9. PREUPLOAD.cfg