[PATCH v2] signal: trivial, fix the "timespec declared inside parameter list" warning

[Oleg Nesterov <oleg@redhat.com>]

Fix the compile warning, do_sigtimedwait(struct timespec *) in signal.h
needs the forward declaration of timespec.

Reported-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
---

 include/linux/signal.h |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- sigprocmask/include/linux/signal.h~15_stw_warning	2011-05-12 20:44:43.000000000 +0200
+++ sigprocmask/include/linux/signal.h	2011-05-16 14:53:08.000000000 +0200
@@ -234,6 +234,9 @@ static inline int valid_signal(unsigned 
 	return sig <= _NSIG ? 1 : 0;
 }
 
+struct timespec;
+struct pt_regs;
+
 extern int next_signal(struct sigpending *pending, sigset_t *mask);
 extern int do_send_sig_info(int sig, struct siginfo *info,
 				struct task_struct *p, bool group);
@@ -248,7 +251,6 @@ extern int sigprocmask(int, sigset_t *, 
 extern void set_current_blocked(const sigset_t *);
 extern int show_unhandled_signals;
 
-struct pt_regs;
 extern int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka, struct pt_regs *regs, void *cookie);
 extern void exit_signals(struct task_struct *tsk);