[gtkmm] Gdk::Point: Fix copy assignment

[Kjell Ahlstedt <kjellahl src gnome org>]

commit fd293e129a1bca9a71543ebe16d085fcddc8ec33
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Wed Jul 26 10:38:48 2017 +0200

    Gdk::Point: Fix copy assignment
    
    Change const Point&& to const Point&.

 gdk/src/types.ccg |    2 +-
 gdk/src/types.hg  |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gdk/src/types.ccg b/gdk/src/types.ccg
index b04b433..79be79e 100644
--- a/gdk/src/types.ccg
+++ b/gdk/src/types.ccg
@@ -35,7 +35,7 @@ Point::Point(const Point& other) noexcept
 {
 }
 
-Point& Point::operator=(const Point&& other) noexcept
+Point& Point::operator=(const Point& other) noexcept
 {
   gobject_ = other.gobject_;
 
diff --git a/gdk/src/types.hg b/gdk/src/types.hg
index 74edcb3..de37840 100644
--- a/gdk/src/types.hg
+++ b/gdk/src/types.hg
@@ -72,7 +72,7 @@ public:
   Point(int x, int y);
 
   Point(const Point& other) noexcept;
-  Point& operator=(const Point&& other) noexcept;
+  Point& operator=(const Point& other) noexcept;
 
   Point(Point&& other) noexcept;
   Point& operator=(Point&& other) noexcept;