[PATCH] irq.h comment fix

Tim Schmielau <tim@physik3.uni-rostock.de>: trivial irq.h comment fix:

  Now THIS is a trivial patch: (though admittedly quite useless;-)

  include/linux/irq.h starts with
    #ifndef __irq_h
  but ends with a comment
    #endif /* __asm_h */

  Tim

include/linux/irq.h

@@ -76,4 +76,4 @@ extern void no_action(int cpl, void *dev_id, struct pt_regs *regs);
 
 #endif
 
-#endif /* __asm_h */
+#endif /* __irq_h */