[libsigcplusplus] slot_rep::notify(): Rearrange a comment.

[Murray Cumming <murrayc src gnome org>]

commit 9e1c3690f7d8b448ff4333d74279a921da385ff2
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Apr 15 08:57:14 2016 +0200

    slot_rep::notify(): Rearrange a comment.

 sigc++/functors/slot_base.cc |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/sigc++/functors/slot_base.cc b/sigc++/functors/slot_base.cc
index f57a337..78130e2 100644
--- a/sigc++/functors/slot_base.cc
+++ b/sigc++/functors/slot_base.cc
@@ -91,9 +91,10 @@ slot_rep::notify(notifiable* data)
   if (!notifier.deleted_)
   {
     self_->remove_destroy_notify_callback(&notifier);
-    self_
-      ->destroy(); // Detach the stored functor from the other referred trackables and destroy it.
+
+    // Detach the stored functor from the other referred trackables and destroy it.
     // destroy() might lead to deletion of self_. Bug #564005.
+    self_->destroy();
   }
 }