compiling gnucash2 on FC5-devel (gcc 4.1.0)

[Bill Nottingham]

Derek Atkins (warlord at MIT.EDU) said: 
> Any chance you could just update g-wrap to 1.9.6 now?  Gnucash 1.8 should
> build fine against g-wrap 1.9.6.  That would at least make it easier
> to build gnucash on FC5 -- it's a pain on FC4 because of the bad interaction
> of gcc4, g-wrap-1.3.4, and -Werror.

Should be done now. Note that ffi is linked into g-wrap statically, as
I'd rather not export that for other apps.

Bill