usb: gadget: code cleanup

Remove trailing whitespace

Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index 78333f0..f0c657d 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -2509,7 +2509,7 @@
 	existing = _ffs_find_dev(name);
 	if (existing)
 		return -EBUSY;
-	
+
 	dev->name = name;
 
 	return 0;