Make temp, temp1 the same type that they will later be used for.

PR:		kern/176712
Submitted by:	Hiren Panchasara <hiren.panchasara@gmail.com>
Reviewed by:	jmg (earlier version)
Approved by:	cperciva (mentor)

sys/dev/bktr/bktr_core.c

@@ -1936,7 +1936,7 @@ int
 tuner_ioctl( bktr_ptr_t bktr, int unit, ioctl_cmd_t cmd, caddr_t arg, struct thread* td )
 {
 	int		tmp_int;
-	unsigned int	temp, temp1;
+       int             temp, temp1;
 	int		offset;
 	int		count;
 	u_char		*buf;