Rename DATE to DATE_TYPE to avoid typdef conlfict on windows

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/apps/gworkspace/trunk@36123 72102866-910b-0410-8b05-ffd578937521
Rename DATE to DATE_TYPE to avoid typdef conlfict on windows

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/apps/gworkspace/trunk@36124 72102866-910b-0410-8b05-ffd578937521