[dataloader] Fix a mistaken check in a scope guard

unique_ptr<> never calls the deleter on a null pointer, so the
checking for a non-null makes the whole scope guard a noop.
Looks like there was a negation missing there, which makes the
whole check redundant.

Bug: 152661914
Test: compiles
Change-Id: I25fb1d5dd0f4c4366791d64b9ba79549dfd0d93d
1 file changed
tree: 3e97d6c47a04c1d23a882d71635bf268cd1efa8c
  1. incfs/
  2. libdataloader/
  3. .clang-format
  4. PREUPLOAD.cfg