New icon sets declare the normal size through an iconsize.png file.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@38135 a592a061-630c-0410-9148-cb99ea01b6c8
default set will be. So, restore the status quo and make the oxygen icons
one of the alternatives to the default set, which still is the old one.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@38040 a592a061-630c-0410-9148-cb99ea01b6c8