x86 headers: include linux/types.h

To properly pick up types relied on by prototypes like 'bool'.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/include/asm/page.h b/arch/x86/include/asm/page.h
index 467ce69..89ed9d7 100644
--- a/arch/x86/include/asm/page.h
+++ b/arch/x86/include/asm/page.h
@@ -1,6 +1,8 @@
 #ifndef _ASM_X86_PAGE_H
 #define _ASM_X86_PAGE_H
 
+#include <linux/types.h>
+
 #ifdef __KERNEL__
 
 #include <asm/page_types.h>