-Update Doxyfile for newer doxygen version

-Fix some problems with doxygen comments
-Regenerate doxygen documentation


git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1111 416bcca6-2ee7-4201-b75f-2eb2f807beb1

engine.c

@@ -16,7 +16,7 @@
     You should have received a copy of the GNU General Public License
     along with Grafx2; if not, see <http://www.gnu.org/licenses/>
 */
-/// @file Window engine and interface management
+/// @file engine.c: Window engine and interface management
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>