Fix a bug that a word with only one missing word is not promoted

Bug: 4027223

Change-Id: Icf7c5b917c18b565dca95b98b96c1c8e2963f540

native/src/unigram_dictionary.cpp

@@ -521,7 +521,7 @@ inline int UnigramDictionary::calculateFinalFreq(const int inputIndex, const int
             finalFreq = capped255MultForFullMatchAccentsOrCapitalizationDifference(finalFreq);
         }
     }
-    if (sameLength && skipPos < 0) finalFreq *= FULL_WORD_MULTIPLIER;
+    if (sameLength) finalFreq *= FULL_WORD_MULTIPLIER;
     return finalFreq;
 }