This also strips trailing whitespaces from lines where they existed.
This re-indentation was done using astyle-1.23 using the following options:
astyle --indent=spaces=4 --brackets=break --pad-oper
Discussed at http://lists.gnucash.org/pipermail/gnucash-devel/2009-August/026121.html
git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@18535 57a11ea4-9604-0410-9ed3-97b8803252fd