Update colorPicker.ed.gui

Templates/BaseGame/game/tools/gui/colorPicker.ed.gui

@@ -442,7 +442,7 @@ function ColorPickerRGBClass::onValidate(%this)
    else
    {
       %hsb = ColorLinearRGBToHSB(%red SPC %green SPC %blue);
-      %alpha *= 255.0
+      %alpha *= 255.0;
    }
    // these automatically update our ColorNewSelected which
    // updates all text fields including these.