Clean up in LatinIME native code

Change-Id: I0062200a0181a491690115ac0fab8d11358e2f14
diff --git a/native/src/char_utils.h b/native/src/char_utils.h
index 921ecb4..a69a35e 100644
--- a/native/src/char_utils.h
+++ b/native/src/char_utils.h
@@ -21,6 +21,6 @@
 
 unsigned short latin_tolower(unsigned short c);
 
-}; // namespace latinime
+} // namespace latinime
 
 #endif // LATINIME_CHAR_UTILS_H