Added glut*WithExit functions.
Now glut32.dll is fully implemented.
	by Jacek Caban, jack@itma.pwr.wroc.pl

--- dlls/glut32/glut.c	2003-12-15 21:13:48.000000000 +0100
+++ dlls/glut32/glut.c	2003-12-15 21:12:57.000000000 +0100
@@ -16,8 +16,17 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#include <stdlib.h>
 #include "windef.h"
 
+static void (*__glutExitFunc)(int ret) = 0;
+
+static void __glutOnExit(int ret, void *arg)
+{
+   if(__glutExitFunc)
+      __glutExitFunc(ret);
+}
+
 /****************************************************
  *	glutGetColor (glut32.@)
  */
@@ -57,8 +66,9 @@
 /****************************************************
  *	__glutCreateMenuWithExit (glut32.@)
  */
-int WINAPI wine___glutCreateMenuWithExit(void *arg1, void *arg2)
+int WINAPI wine___glutCreateMenuWithExit(void *arg1, void (*exitfunc)(int))
 {
+   __glutExitFunc = exitfunc;
    return glutCreateMenu(arg1);
 }
 
@@ -83,8 +93,9 @@
 /****************************************************
  *	__glutCreateWindowWithExit (glut32.@)
  */
-int WINAPI wine___glutCreateWindowWithExit(void *arg, void *arg2)
+int WINAPI wine___glutCreateWindowWithExit(void *arg, void (*exitfunc)(int))
 {
+   __glutExitFunc = exitfunc;
    return glutCreateWindow(arg);
 }
 
@@ -433,8 +444,9 @@
 /**********************************************
  *	__glutInitWithExit (glut32.@)
  */
-void WINAPI wine___glutInitWithExit(void *arg1, void *arg2, void *arg3)
+void WINAPI wine___glutInitWithExit(void *arg1, void *arg2, void (*exitfunc)(int))
 {
+   __glutExitFunc = exitfunc;
    glutInit(arg1, arg2);
 }
 
@@ -498,6 +510,7 @@
 extern void glutMainLoop(void);
 void WINAPI wine_glutMainLoop(void)
 {
+   on_exit(__glutOnExit, 0);
    glutMainLoop();
 }