Fix classifier lib install path (#186)

---
Signed-off-by: Kartik Nema <kartnema@qti.qualcomm.com>

Author: kartnema

contextual-classifier/CMakeLists.txt

@@ -74,9 +74,9 @@ else()
 endif()
 
 # Installation rules
-install(TARGETS ContextualClassifier DESTINATION lib)
+install(TARGETS ContextualClassifier DESTINATION ${CMAKE_INSTALL_LIBDIR})
 if(FLORET_FOUND)
-    install(TARGETS ml_inference_lib DESTINATION lib)
+    install(TARGETS ml_inference_lib DESTINATION ${CMAKE_INSTALL_LIBDIR})
     install(FILES ${CMAKE_SOURCE_DIR}/contextual-classifier/Artifacts/floret_model_supervised.bin DESTINATION ${CMAKE_INSTALL_SYSCONFDIR}/urm/classifier)
 endif()