net/rfkill/core.c: use kstrtoul, etc

Use kstrtoul, etc instead of the now deprecated strict_strtoul, etc.

A semantic patch rule for the kstrtoul case is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression a,b;
{int,long} *c;
@@

-strict_strtoul
+kstrtoul
 (a,b,c)
// </smpl>
Signed-off-by: NJulia Lawall <julia@diku.dk>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

net/rfkill/core.c

@@ -644,7 +644,7 @@ static ssize_t rfkill_soft_store(struct device *dev,
 	if (!capable(CAP_NET_ADMIN))
 		return -EPERM;
 
-	err = strict_strtoul(buf, 0, &state);
+	err = kstrtoul(buf, 0, &state);
 	if (err)
 		return err;
 
@@ -688,7 +688,7 @@ static ssize_t rfkill_state_store(struct device *dev,
 	if (!capable(CAP_NET_ADMIN))
 		return -EPERM;
 
-	err = strict_strtoul(buf, 0, &state);
+	err = kstrtoul(buf, 0, &state);
 	if (err)
 		return err;