[media] staging: lirc: fix indentation

Fix non-tab indentation.

This resolves the following checkpatch problem:
ERROR: code indent should use tabs where possible

[mchehab@osg.samsung.com: remove a hunk already applyed by some other patch]
Signed-off-by: NMaciek Borzecki <maciek.borzecki@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/staging/media/lirc/lirc_sasem.c

@@ -181,7 +181,7 @@ static void deregister_from_lirc(struct sasem_context *context)
 	if (retval)
 		dev_err(&context->dev->dev,
 			"%s: unable to deregister from lirc (%d)\n",
-		       __func__, retval);
+			__func__, retval);
 	else
 		dev_info(&context->dev->dev,
 			 "Deregistered Sasem driver (minor:%d)\n", minor);