Added SQL_SetCharset native to (re)set character set (bug 5999, r=ds).

dlls/sqlite/sqlitepp/SqliteDatabase.cpp

@@ -78,3 +78,9 @@ int SqliteDatabase::QuoteString(const char *str, char buffer[], size_t maxlen, s
 	return 0;
 }
 
+bool SqDatabase::SetCharacterSet(const char *characterset)
+{
+    // sqlite only supports utf8 and utf16 - by the time the database is created. It's too late here.
+    return false;
+}
+