Add the default constructor back to maintain backwards compatibly

Author: olaws

ScintillaNet_FindReplaceDialog/GoTo/GoToDialog.cs

@@ -139,6 +139,11 @@ public Scintilla Scintilla
         #endregion Properties
 
         #region Constructors
+        public GoToDialog()
+        {
+	        InitializeComponent();
+	        _startingLineIndex = 0;
+        }
 
         public GoToDialog(int startingLineIndex)
         {