[media] easycap: easycap_usb_driver should be static to easycap_main.c

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/staging/media/easycap/easycap.h

@@ -567,7 +567,6 @@ extern bool easycap_readback;
 extern const struct easycap_standard easycap_standard[];
 extern struct easycap_format easycap_format[];
 extern struct v4l2_queryctrl easycap_control[];
-extern struct usb_driver easycap_usb_driver;
 extern struct easycap_dongle easycapdc60_dongle[];
 
 #endif /* !__EASYCAP_H__  */

drivers/staging/media/easycap/easycap_main.c

@@ -4150,7 +4150,7 @@ static struct usb_device_id easycap_usb_device_id_table[] = {
 };
 
 MODULE_DEVICE_TABLE(usb, easycap_usb_device_id_table);
-struct usb_driver easycap_usb_driver = {
+static struct usb_driver easycap_usb_driver = {
 	.name = "easycap",
 	.id_table = easycap_usb_device_id_table,
 	.probe = easycap_usb_probe,