Modify the vdbe so that the comparison operator opcodes do not modify the data type of operands. Fix for [aa92c76cd4].

FossilOrigin-Name: 8858042fa1449516a2c7dbb991dca3eb6c5794cb
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 86e8696..5720b9c 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -2858,7 +2858,7 @@
                         void(*)(void*));
 void sqlite3ValueFree(sqlite3_value*);
 sqlite3_value *sqlite3ValueNew(sqlite3 *);
-char *sqlite3Utf16to8(sqlite3 *, const void*, int);
+char *sqlite3Utf16to8(sqlite3 *, const void*, int, u8);
 #ifdef SQLITE_ENABLE_STAT2
 char *sqlite3Utf8to16(sqlite3 *, u8, char *, int, int *);
 #endif