Adapt to change in core module.

Author: carlosame

src/io/sf/carte/doc/style/css/awt/AWTHelper.java

@@ -94,7 +94,7 @@ public static Color getAWTColor(CSSTypedValue cssColor) throws CSSPropertyValueE
 		if (cssColor != null) {
 			switch (cssColor.getPrimitiveType()) {
 			case COLOR:
-				RGBAColor color = cssColor.toRGBColorValue();
+				RGBAColor color = cssColor.toRGBColor();
 				CSSPrimitiveValue red = color.getRed();
 				CSSPrimitiveValue green = color.getGreen();
 				CSSPrimitiveValue blue = color.getBlue();