nsanimation_progressMarkSorter function so that it will compile
properly on versions of gcc prior to 4.1.2.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@24972 72102866-910b-0410-8b05-ffd578937521
- only NSAnimationNonBlocking mode is implemented
- runLoopModesForAnimating is not used
GSAnimator class is in alpha stage : interface may be changed
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@24968 72102866-910b-0410-8b05-ffd578937521