r21569 - gnucash/trunk/src - Take into account the read-only flag of the book to update the buttons in the register accordingly.

[Christian Stimming]

Author: cstim
Date: 2011-11-14 16:28:32 -0500 (Mon, 14 Nov 2011)
New Revision: 21569
Trac: http://svn.gnucash.org/trac/changeset/21569

Modified:
   gnucash/trunk/src/engine/Transaction.c
   gnucash/trunk/src/gnome/gnc-plugin-page-register.c
   gnucash/trunk/src/gnome/gnc-split-reg.c
Log:
Take into account the read-only flag of the book to update the buttons in the register accordingly.

Also, the register itself must be read-only.