r20458 - gnucash/trunk/packaging/win32 - Fix windows build:

[Geert Janssens]

Author: gjanssens
Date: 2011-03-23 13:48:57 -0400 (Wed, 23 Mar 2011)
New Revision: 20458
Trac: http://svn.gnucash.org/trac/changeset/20458

Added:
   gnucash/trunk/packaging/win32/guile-1.8.8.patch
Modified:
   gnucash/trunk/packaging/win32/defaults.sh
   gnucash/trunk/packaging/win32/install-impl.sh
Log:
Fix windows build:
- Add missing patch for guile 1.8.8
- Add missing mingwrt dev package