r23473 - gnucash/trunk/src - GSettings: only load backend when installed

[Geert Janssens]

Author: gjanssens
Date: 2013-12-02 11:05:32 -0500 (Mon, 02 Dec 2013)
New Revision: 23473
Trac: http://svn.gnucash.org/trac/changeset/23473

Modified:
   gnucash/trunk/src/app-utils/gnc-gsettings.c
   gnucash/trunk/src/app-utils/gnc-prefs-utils.c
   gnucash/trunk/src/core-utils/gnc-prefs-p.h
   gnucash/trunk/src/core-utils/gnc-prefs.c
   gnucash/trunk/src/core-utils/gnc-prefs.h
Log:
GSettings: only load backend when installed

The preferences backend can't work from the source environment because
it's schemas won't be compiled. This situation is only relevant for testing,
which is done from the source (or build) tree.
Note that a few preferences are needed by the xml backend. If no preferences
backend is loaded, some sane defaults will be used instead. Again this should
only matter for testing, in which case the real preferences are not relevant
anyway.