--- parser3/src/lib/punycode/pa_punycode.c	2015/09/28 22:19:25	1.2
+++ parser3/src/lib/punycode/pa_punycode.c	2015/10/12 20:56:35	1.3
@@ -423,7 +423,7 @@ int punycode_decode (size_t input_length
 	{
 	  memmove (case_flags + i + 1, case_flags + i, out - i);
 	  /* Case of last ASCII code point determines case flag: */
-	  case_flags[i] = flagged (input[in - 1]);
+	  case_flags[i] = (unsigned char)(flagged (input[in - 1]));
 	}
 
       memmove (output + i + 1, output + i, (out - i) * sizeof *output);