Cosmetic fixes and a bug fix in UnigramDictionary::testCharGroupForContinuedLikeness().

This change has actually been extracted from a change work in progress I4fe423834b8131fb122251892c98228a6e08ba25

Change-Id: I52568fa09da2ea22be7f8bfe9676b7cd73c31fa4
diff --git a/native/jni/src/bigram_dictionary.cpp b/native/jni/src/bigram_dictionary.cpp
index f1d5380..3eea51a 100644
--- a/native/jni/src/bigram_dictionary.cpp
+++ b/native/jni/src/bigram_dictionary.cpp
@@ -156,7 +156,7 @@
     const int flags = BinaryFormat::getFlagsAndForwardPointer(root, &pos);
     if (0 == (flags & BinaryFormat::FLAG_HAS_BIGRAMS)) return 0;
     if (0 == (flags & BinaryFormat::FLAG_HAS_MULTIPLE_CHARS)) {
-        BinaryFormat::getCharCodeAndForwardPointer(root, &pos);
+        BinaryFormat::getCodePointAndForwardPointer(root, &pos);
     } else {
         pos = BinaryFormat::skipOtherCharacters(root, pos);
     }