staging: gdm724x: Fix missing blank line warning.

Fixes "Missing a blank line after declarations" checkpatch.pl warning in
gdm_mux.c

Signed-off-by: Gulsah Kose <gulsah.1004@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/gdm724x/gdm_mux.c b/drivers/staging/gdm724x/gdm_mux.c
index 10ce2c1..b5b063a 100644
--- a/drivers/staging/gdm724x/gdm_mux.c
+++ b/drivers/staging/gdm724x/gdm_mux.c
@@ -517,6 +517,7 @@
 	int ret;
 	int i;
 	struct usb_device *usbdev = interface_to_usbdev(intf);
+
 	bInterfaceNumber = intf->cur_altsetting->desc.bInterfaceNumber;
 
 	idVendor = __le16_to_cpu(usbdev->descriptor.idVendor);