Added link to http://dev.remotenetworktechnology.com/refdata.htm.

git-svn-id: svn://svn.code.sf.net/p/rdesktop/code/trunk/rdesktop@674 423420c4-83ab-492f-b58f-81f9feb106b5

doc/HACKING

@@ -4,12 +4,14 @@ Code style / indentation
 The file indent-all.sh contains information about the current code
 style.  Run this script before commits.
 
+
 Variable argument macros
 ------------------------
 Variable argument macros are non-portable in general, and should be
 avoided.  Either use a second set of parentheses like DEBUG, or create
 a variable argument function like error.
 
+
 Structure
 ---------
 The core protocol stack should be system-independent (i.e. ANSI C
@@ -18,3 +20,8 @@ following files:
 
 bitmap.c licence.c orders.c rdp.c cache.c iso.c mcs.c rdesktop.c
 secure.c
+
+
+RDP resources
+-------------
+http://dev.remotenetworktechnology.com/refdata.htm