rbd: take a little credit

Add a name to the list of authors.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 44c44c6..14c6dc9 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -5272,6 +5272,7 @@
 module_init(rbd_init);
 module_exit(rbd_exit);
 
+MODULE_AUTHOR("Alex Elder <elder@inktank.com>");
 MODULE_AUTHOR("Sage Weil <sage@newdream.net>");
 MODULE_AUTHOR("Yehuda Sadeh <yehuda@hq.newdream.net>");
 MODULE_DESCRIPTION("rados block device");