Fix NPE

Change-Id: Ie4b8b657fc6cc5a819d4ea3a0ca4536e6fdf6825
diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index 52935ef..3b840c8 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -514,7 +514,8 @@
         super.setInputView(view);
         mCandidateViewContainer = view.findViewById(R.id.candidates_container);
         mCandidateView = (CandidateView) view.findViewById(R.id.candidates);
-        mCandidateView.setListener(this, view);
+        if (mCandidateView != null)
+            mCandidateView.setListener(this, view);
         mCandidateStripHeight = (int)mResources.getDimension(R.dimen.candidate_strip_height);
     }