Fixed LC_NUMERIC problem with RasterLayer

[Bernhard Reiter]

I think I have finally fixed the problem with raster projections
and decimalcomma locales today.

https://wald.intevation.org/tracker/index.php?func=detail&aid=120&group_id=6&atid=105

Now we only need to report the bugs upstream and also show
our solution for the dbflib.

Bernhard
-- 
Managing Director - Owner, www.intevation.net       (Free Software Company)
Germany Coordinator, fsfeurope.org       (Non-Profit Org for Free Software)
www.kolab-konsortium.com   (Email/Groupware Solution, Professional Service)