proper prototype for signals_init()

Add a proper prototype for signals_init() in include/linux/signal.h

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 0ae3388..7e09514 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -371,6 +371,8 @@
 	(!siginmask(signr, SIG_KERNEL_IGNORE_MASK|SIG_KERNEL_STOP_MASK) && \
 	 (t)->sighand->action[(signr)-1].sa.sa_handler == SIG_DFL)
 
+void signals_init(void);
+
 #endif /* __KERNEL__ */
 
 #endif /* _LINUX_SIGNAL_H */