Staging: iio: Trivial - remove pointless semi colon (checkpatch found)

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/iio/industrialio-trigger.c b/drivers/staging/iio/industrialio-trigger.c
index 918b0fd..46bd94a 100644
--- a/drivers/staging/iio/industrialio-trigger.c
+++ b/drivers/staging/iio/industrialio-trigger.c
@@ -169,7 +169,7 @@
 	mutex_unlock(&iio_trigger_list_lock);
 
 	return found ? trig : NULL;
-};
+}
 EXPORT_SYMBOL(iio_trigger_find_by_name);
 
 void iio_trigger_poll(struct iio_trigger *trig)