Clean up in LatinIME native code

Change-Id: I0062200a0181a491690115ac0fab8d11358e2f14
diff --git a/native/src/proximity_info.h b/native/src/proximity_info.h
index c2062e8..327cd09 100644
--- a/native/src/proximity_info.h
+++ b/native/src/proximity_info.h
@@ -41,5 +41,7 @@
     const int CELL_HEIGHT;
     uint32_t *mProximityCharsArray;
 };
-}; // namespace latinime
+
+} // namespace latinime
+
 #endif // LATINIME_PROXIMITY_INFO_H