Fix a bug on German umlaut digraph correction

Bug: 6129372
Change-Id: I2d629735028c35bf12289f381ada2f4ffe8d7ad3
diff --git a/native/src/unigram_dictionary.h b/native/src/unigram_dictionary.h
index 396a811..12b68d7 100644
--- a/native/src/unigram_dictionary.h
+++ b/native/src/unigram_dictionary.h
@@ -89,6 +89,7 @@
     bool isDigraph(const int *codes, const int i, const int codesSize) const;
     void getWordWithDigraphSuggestionsRec(ProximityInfo *proximityInfo,
         const int *xcoordinates, const int* ycoordinates, const int *codesBuffer,
+        int *xCoordinatesBuffer, int *yCoordinatesBuffer,
         const int codesBufferSize, const int flags, const int* codesSrc,
         const int codesRemain, const int currentDepth, int* codesDest, Correction *correction,
         WordsPriorityQueuePool* queuePool);