wireless: mwifiex: Fix typo in wireless/mwifiex driver

Correct spelling typo in wireless/mwifiex driver.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/mwifiex/usb.c b/drivers/net/wireless/mwifiex/usb.c
index bbe1f35..63ac9f2 100644
--- a/drivers/net/wireless/mwifiex/usb.c
+++ b/drivers/net/wireless/mwifiex/usb.c
@@ -351,7 +351,7 @@
 	card->udev = udev;
 	card->intf = intf;
 
-	pr_debug("info: bcdUSB=%#x Device Class=%#x SubClass=%#x Protocl=%#x\n",
+	pr_debug("info: bcdUSB=%#x Device Class=%#x SubClass=%#x Protocol=%#x\n",
 		 udev->descriptor.bcdUSB, udev->descriptor.bDeviceClass,
 		 udev->descriptor.bDeviceSubClass,
 		 udev->descriptor.bDeviceProtocol);