staging: greybus: authentication.c: Fix alignment should match open parenthesis

Fix the following error found by checkpatch.pl:
CHECK: Alignment should match open parenthesis
+static int cap_ioctl(struct gb_cap *cap, unsigned int cmd,
+ void __user *buf)

Signed-off-by: Kamal Heib <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/greybus/authentication.c

···
 }
 
 static int cap_ioctl(struct gb_cap *cap, unsigned int cmd,
-			 void __user *buf)
+		     void __user *buf)
 {
 	struct cap_ioc_get_endpoint_uid endpoint_uid;
 	struct cap_ioc_get_ims_certificate *ims_cert;