Back-port HBCI improvements from HEAD.

[Christian Stimming]

Log Message:
-----------
Back-port HBCI improvements from HEAD.

2004-12-23  Christian Stimming  <stimming at tuhh.de>

	* src/import-export/hbci/druid-hbci-initial.c (on_aqhbci_button):
	Add extra sanity checks and verbose error message if the setup
	wizard of aqhbci cannot be found.

	* src/import-export/hbci/gncmod-hbci.c: Fix potentially missing
	initialization of gwenhywfar library, as reported by Peter
	O'Gorman on Max OS X.

Tags:
----
gnucash-1-8-branch

Modified Files:
--------------
    gnucash:
        ChangeLog
    gnucash/src/import-export/hbci:
        druid-hbci-initial.c
        gncmod-hbci.c