This also strips trailing whitespaces from lines where they existed.
This re-indentation was done using astyle-1.24 using the following options:
astyle --indent=spaces=4 --brackets=break --pad-oper --pad-header --suffix=none
git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@18787 57a11ea4-9604-0410-9ed3-97b8803252fd