[winforms] undo accidental removal of a line

diff --git a/mcs/class/Managed.Windows.Forms/System.Windows.Forms/TextBox.cs b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/TextBox.cs
index 4ee4ba1a7e637be445ad81aad163edc2a49ad02a..fc63bd4380829d61cc5a371e411e0fa2893c5df2 100644 (file)
--- a/mcs/class/Managed.Windows.Forms/System.Windows.Forms/TextBox.cs
+++ b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/TextBox.cs
@@ -357,6 +357,7 @@ namespace System.Windows.Forms {
                                if (!ReadOnly)
                                        backColor = SystemColors.Window;
                        }
+                       backcolor_set = false;
                        return backColor;
                }