sysctl: Drop & in front of every proc_handler.

For consistency drop & in front of every proc_handler.  Explicity
taking the address is unnecessary and it prevents optimizations
like stubbing the proc_handlers to NULL.

Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index 37bfe23..95acb8c 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -286,7 +286,7 @@
 		.data		= &rtc_max_user_freq,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec,
+		.proc_handler	= proc_dointvec,
 	},
 	{ }
 };