[PATCH] M68k asm/system.h

From: Geert Uytterhoeven <geert@linux-m68k.org>

M68k: Add missing #ifdef __KERNEL / #endif (from Christian T. Steigies)

include/asm-m68k/system.h

@@ -7,6 +7,8 @@
 #include <asm/segment.h>
 #include <asm/entry.h>
 
+#ifdef __KERNEL__
+
 /*
  * switch_to(n) should switch tasks to task ptr, first checking that
  * ptr isn't the current task, in which case it does nothing.  This
@@ -156,4 +158,6 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz
 }
 #endif
 
+#endif /* __KERNEL__ */
+
 #endif /* _M68K_SYSTEM_H */