r15191 - gnucash/branches/gda-dev/src/engine - 1) Make some function arguments 'const'

[Phil Longstaff]

Author: plongstaff
Date: 2006-12-08 13:45:36 -0500 (Fri, 08 Dec 2006)
New Revision: 15191
Trac: http://svn.gnucash.org/trac/changeset/15191

Modified:
   gnucash/branches/gda-dev/src/engine/SchedXaction.c
   gnucash/branches/gda-dev/src/engine/SchedXaction.h
   gnucash/branches/gda-dev/src/engine/Transaction.c
Log:
1) Make some function arguments 'const'
2) Add GNC_SX macro similar to GObject cast macros