Modify selectors to play nice with C++ compiler.
* Headers/AppKit/NSAffineTransform.h, Headers/AppKit/NSFontManager.h,
Headers/AppKit/NSPageLayout.h: Modify arg name for same purpose.
* Source/NSAffineTransform.m, Source/NSFontManager.m,
Source/NSPageLayout.m: Modify to match header. (Patch from
Francis Franklin, with some modifications).
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@20930 72102866-910b-0410-8b05-ffd578937521