Tiny compile include fix

Hi there!
The patch sent with this email fixes the following compile problem:

-- snip --
In file included from arch/i386/kernel/acpi/boot.c:34:
include/asm-i386/mach-numaq/mach_apic.h: In function `setup_portio_remap':
include/asm-i386/mach-numaq/mach_apic.h:96: `xquad_portio' undeclared (first use in this function) include/asm-i386/mach-numaq/mach_apic.h:96: (Each undeclared identifier is reported only once include/asm-i386/mach-numaq/mach_apic.h:96: for each function it appears in.)
include/asm-i386/mach-numaq/mach_apic.h:96: warning: implicit declaration of function ioremap' include/asm-i386/mach-numaq/mach_apic.h:96: XQUAD_PORTIO_BASE' undeclared (first use in this function) include/asm-i386/mach-numaq/mach_apic.h:96: `XQUAD_PORTIO_QUAD' undeclared (first use in this function) include/asm-i386/mach-numaq/mach_mpparse.h: At top level:
include/asm-i386/mach-numaq/mach_mpparse.h:5: warning:
smp_read_mpc_oem' declared static' but never defined make[2]: *** [arch/i386/kernel/acpi/boot.o] Fehler 1 make[1]: *** [arch/i386/kernel/acpi] Fehler 2
make: *** [arch/i386/kernel] Fehler 2
-- snap --

This is my first patch sent to this ML so I hope to have respected all formal guidelines.

regs,
Chris

Index: arch/i386/kernel/acpi/boot.c
===================================================================
RCS file: /home/cvs/linux-2.5/arch/i386/kernel/acpi/boot.c,v retrieving revision 1.4

diff -u -r1.4 boot.c
@@ -26,9 +26,10 @@
 #include <linux/init.h>
 #include <linux/config.h>
 #include <linux/acpi.h>
-#include <asm/pgalloc.h>
 #include <asm/apic.h>
+#include <asm/io.h>
 #include <asm/mpspec.h>
+#include <asm/pgalloc.h>
 
 #if defined (CONFIG_X86_LOCAL_APIC)
 #include <mach_apic.h>