[PATCH] missing forward declaration of pt_regs (asm-m68k/signal.h)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/asm-m68k/signal.h

@@ -198,6 +198,7 @@ static inline int sigfindinword(unsigned long word)
 	return word ^ 31;
 }
 
+struct pt_regs;
 extern void ptrace_signal_deliver(struct pt_regs *regs, void *cookie);
 
 #endif /* __KERNEL__ */