Fix a native crash

This was introduced by Ieb2e306a which failed to keep the return
behavior in case the word doesn't have a bigram.

Change-Id: I6d2f0b79d41c4335e94696690c8331e314961133
1 file changed
tree: 5a9825a6c3d3b0cad1c439d60d0dafb598ed8953
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk