commit 138f115d7335e94bdc0744cab616998cbda3307d
Author: Brent Collins <brent.collins.83@gmail.com>
Date:   Fri May 4 13:47:54 2012 -0500

    Make the XReparent Window parameter a little more flexible to support both base 16 "with 0x prefix" or decimal window numbers.

diff --git a/libfreerdp-utils/args.c b/libfreerdp-utils/args.c
index 8e510f9..e909986 100644
--- a/libfreerdp-utils/args.c
+++ b/libfreerdp-utils/args.c
@@ -479,7 +479,7 @@ int freerdp_parse_args(rdpSettings* settings, int argc, char** argv,
 				return FREERDP_ARGS_PARSE_FAILURE;
 			}
 
-			settings->parent_window_xid = strtoul(argv[index], NULL, 16);
+			settings->parent_window_xid = strtol(argv[index], NULL, 0);
 
 			if (settings->parent_window_xid == 0)
 			{