driver: staging: wlan-ng: switched to pr_warn

changed printk(KERN_WARNING .. to pr_warn

Signed-off-by: Sherif Shehab Aldin <shehabaldin.sherif@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c
index 943de9c..01284ea 100644
--- a/drivers/staging/wlan-ng/hfa384x_usb.c
+++ b/drivers/staging/wlan-ng/hfa384x_usb.c
@@ -714,10 +714,9 @@
 
 	/* Validate the length, note body len calculation in bytes */
 	if (rridresult.riddata_len != complete->riddatalen) {
-		printk(KERN_WARNING
-		       "RID len mismatch, rid=0x%04x hlen=%d fwlen=%d\n",
-		       rridresult.rid,
-		       complete->riddatalen, rridresult.riddata_len);
+		pr_warn("RID len mismatch, rid=0x%04x hlen=%d fwlen=%d\n",
+			rridresult.rid,
+			complete->riddatalen, rridresult.riddata_len);
 		return -ENODATA;
 	}