m68k/atari: Change VME irq numbers from unsigned long to unsigned int

Device interrupts numbers were changed to unsigned int in 1997, the year
IRQ_MACHSPEC was killed as well.

Also kill a related cast while we're at it.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: netdev@vger.kernel.org
diff --git a/arch/m68k/atari/ataints.c b/arch/m68k/atari/ataints.c
index 783d8f0..3f41092 100644
--- a/arch/m68k/atari/ataints.c
+++ b/arch/m68k/atari/ataints.c
@@ -206,7 +206,7 @@
  * hardware with a programmable int vector (probably a VME board).
  */
 
-unsigned long atari_register_vme_int(void)
+unsigned int atari_register_vme_int(void)
 {
 	int i;
 
@@ -223,7 +223,7 @@
 EXPORT_SYMBOL(atari_register_vme_int);
 
 
-void atari_unregister_vme_int(unsigned long irq)
+void atari_unregister_vme_int(unsigned int irq)
 {
 	if (irq >= VME_SOURCE_BASE && irq < VME_SOURCE_BASE + VME_MAX_SOURCES) {
 		irq -= VME_SOURCE_BASE;