[libsigcplusplus] signal_impl::insert(): Rename a variable for clarity.

[Murray Cumming <murrayc src gnome org>]

commit e1a26d3d485bd8215f13956bf8236f37e7a3264c
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu Apr 21 12:19:59 2016 +0200

    signal_impl::insert(): Rename a variable for clarity.

 sigc++/signal_base.cc |   16 ++++++++--------
 1 files changed, 8 insertions(+), 8 deletions(-)
---
diff --git a/sigc++/signal_base.cc b/sigc++/signal_base.cc
index cde3d99..898bc70 100644
--- a/sigc++/signal_base.cc
+++ b/sigc++/signal_base.cc
@@ -142,19 +142,19 @@ signal_impl::erase(iterator_type i)
 signal_impl::iterator_type
 signal_impl::insert(signal_impl::iterator_type i, const slot_base& slot_)
 {
-  auto temp = slots_.insert(i, slot_);
-  auto si = new self_and_iter(this, temp);
-  temp->set_parent(si, &notify);
-  return temp;
+  auto iter = slots_.insert(i, slot_);
+  auto si = new self_and_iter(this, iter);
+  iter->set_parent(si, &notify);
+  return iter;
 }
 
 signal_impl::iterator_type
 signal_impl::insert(signal_impl::iterator_type i, slot_base&& slot_)
 {
-  auto temp = slots_.insert(i, std::move(slot_));
-  auto si = new self_and_iter(this, temp);
-  temp->set_parent(si, &notify);
-  return temp;
+  auto iter = slots_.insert(i, std::move(slot_));
+  auto si = new self_and_iter(this, iter);
+  iter->set_parent(si, &notify);
+  return iter;
 }
 
 void