Accomodate internal dependency change (#2094)

Summary: Pull Request resolved: https://github.com/pytorch/audio/pull/2094

Reviewed By: nateanl

Differential Revision: D33288439

fbshipit-source-id: 385e0e4257755dbaf143287f612e19bede189757

torchaudio/csrc/decoder/src/decoder/lm/KenLM.cpp

@@ -9,7 +9,11 @@
 
 #include <stdexcept>
 
+#ifdef USE_KENLM_FROM_LANGTECH
+#include "language_technology/jedi/lm/model.hh"
+#else
 #include "lm/model.hh"
+#endif
 
 namespace torchaudio {
 namespace lib {