[PATCH] random: get rid of sparse warning

Get rid of bogus extern attribute that causes sparse warning.
Signed-off-by: NStephen Hemminger <shemminger@osdl.org>
Acked-by: NMatt Mackall <mpm@selenic.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

drivers/char/random.c

@@ -632,7 +632,7 @@ static void add_timer_randomness(struct timer_rand_state *state, unsigned num)
 	preempt_enable();
 }
 
-extern void add_input_randomness(unsigned int type, unsigned int code,
+void add_input_randomness(unsigned int type, unsigned int code,
 				 unsigned int value)
 {
 	static unsigned char last_value;