[PATCH] m68knommu: fix compile when CONFIG_BLK_DEV_INITRD=n

This patch fixes the following compile error with
CONFIG_BLK_DEV_INITRD=n and -Werror-implicit-function-declaration:

  ...
    CC      arch/m68knommu/kernel/setup.o
  /home/bunk/linux/kernel-2.6/linux-2.6.18-rc5-mm1/arch/m68knommu/kernel/setup.c: In function 'setup_arch':
  /home/bunk/linux/kernel-2.6/linux-2.6.18-rc5-mm1/arch/m68knommu/kernel/setup.c:268: error: implicit declaration of function 'paging_init'
  make[2]: *** [arch/m68knommu/kernel/setup.o] Error 1
Signed-off-by: NAdrian Bunk <bunk@stusta.de>
Signed-off-by: NGreg Ungerer <gerg@uclinux.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

arch/m68knommu/kernel/setup.c

@@ -36,10 +36,7 @@
 #include <asm/setup.h>
 #include <asm/irq.h>
 #include <asm/machdep.h>
-
-#ifdef CONFIG_BLK_DEV_INITRD
 #include <asm/pgtable.h>
-#endif
 
 unsigned long memory_start;
 unsigned long memory_end;