[hyena] Fix CS0188 error (bgo#614301)

[Gabriel Burt <gburt src gnome org>]

commit fe1029e06bfb001fd09b2a68e1839c20de9c5b9d
Author: Ján Sokoly <cruster gmail com>
Date:   Sun Apr 4 11:04:13 2010 +1000

    Fix CS0188 error (bgo#614301)
    
    Assigning to properties in struct constructors in Hyena.Gui.Canvas
    raises a compile error on Windows. Fixed by calling the default
    constructor.
    
    Signed-off-by: Alexander Kojevnikov <alexander kojevnikov com>

 src/Hyena.Gui/Hyena.Gui.Canvas/Point.cs |    2 +-
 src/Hyena.Gui/Hyena.Gui.Canvas/Rect.cs  |    6 +++---
 src/Hyena.Gui/Hyena.Gui.Canvas/Size.cs  |    2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/src/Hyena.Gui/Hyena.Gui.Canvas/Point.cs b/src/Hyena.Gui/Hyena.Gui.Canvas/Point.cs
index 35f3037..e05d75b 100644
--- a/src/Hyena.Gui/Hyena.Gui.Canvas/Point.cs
+++ b/src/Hyena.Gui/Hyena.Gui.Canvas/Point.cs
@@ -35,7 +35,7 @@ namespace Hyena.Gui.Canvas
         public double X { get; set; }
         public double Y { get; set; }
 
-        public Point (double x, double y)
+        public Point (double x, double y) : this ()
         {
             X = x;
             Y = y;
diff --git a/src/Hyena.Gui/Hyena.Gui.Canvas/Rect.cs b/src/Hyena.Gui/Hyena.Gui.Canvas/Rect.cs
index 44e8616..bb49fd7 100644
--- a/src/Hyena.Gui/Hyena.Gui.Canvas/Rect.cs
+++ b/src/Hyena.Gui/Hyena.Gui.Canvas/Rect.cs
@@ -34,7 +34,7 @@ namespace Hyena.Gui.Canvas
     {
         private double x, y, w, h;
 
-        public Rect (double x, double y, double width, double height)
+        public Rect (double x, double y, double width, double height) : this ()
         {
             X = x;
             Y = y;
@@ -42,7 +42,7 @@ namespace Hyena.Gui.Canvas
             Height = height;
         }
 
-        public Rect (Point point1, Point point2)
+        public Rect (Point point1, Point point2) : this ()
         {
             X = Math.Min (point1.X, point2.X);
             Y = Math.Min (point1.Y, point2.Y);
@@ -50,7 +50,7 @@ namespace Hyena.Gui.Canvas
             Height = Math.Abs (point2.Y - point1.Y);
         }
 
-        public Rect (Point location, Size size)
+        public Rect (Point location, Size size) : this ()
         {
             X = location.X;
             Y = location.Y;
diff --git a/src/Hyena.Gui/Hyena.Gui.Canvas/Size.cs b/src/Hyena.Gui/Hyena.Gui.Canvas/Size.cs
index 6e3a759..4d2cca7 100644
--- a/src/Hyena.Gui/Hyena.Gui.Canvas/Size.cs
+++ b/src/Hyena.Gui/Hyena.Gui.Canvas/Size.cs
@@ -35,7 +35,7 @@ namespace Hyena.Gui.Canvas
         private double width;
         private double height;
 
-        public Size (double width, double height)
+        public Size (double width, double height) : this ()
         {
             Width = width;
             Height = height;