IB: Whitespace fixes

Remove some trailing whitespace that has snuck in despite the best
efforts of whitespace=error-all.  Also fix a few other whitespace
bogosities.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index ec356ce..60b09f5 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -795,7 +795,7 @@
 	}
 
 	if (priv->broadcast) {
- 		rb_erase(&priv->broadcast->rb_node, &priv->multicast_tree);
+		rb_erase(&priv->broadcast->rb_node, &priv->multicast_tree);
 		list_add_tail(&priv->broadcast->list, &remove_list);
 		priv->broadcast = NULL;
 	}