m68knommu: Make PAGE_SIZE available to assembly files.

Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>

arch/m68k/include/asm/page_no.h

 #ifndef _M68KNOMMU_PAGE_H
 #define _M68KNOMMU_PAGE_H
 
+#include <linux/const.h>
+
 /* PAGE_SHIFT determines the page size */
 
 #define PAGE_SHIFT	(12)
-#define PAGE_SIZE	(1UL << PAGE_SHIFT)
+#define PAGE_SIZE	(_AC(1,UL) << PAGE_SHIFT)
 #define PAGE_MASK	(~(PAGE_SIZE-1))
 
 #include <asm/setup.h>