--- gnupg-1.9.18/g10/misc.c.lvalue	2005-07-27 09:18:04.000000000 -0500
+++ gnupg-1.9.18/g10/misc.c	2005-08-08 14:00:37.000000000 -0500
@@ -986,7 +986,7 @@
     }
     else {
 	int rc;
-	char *buffer;
+	unsigned char *buffer;
 
 	rc = gcry_mpi_aprint( GCRYMPI_FMT_HEX, &buffer, NULL, a );
 	assert( !rc );