Fixes issue dompdf#6 (colors wrongly parsed)

Author: PhenX

src/Svg/Style.php

@@ -2,7 +2,7 @@
 /**
  * @package php-svg-lib
  * @link    http://github.com/PhenX/php-svg-lib
- * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @author  Fabien M�nager <fabien.menager@gmail.com>
  * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
  */
 
@@ -173,7 +173,7 @@ static function parseColor($color)
     {
         $color = strtolower(trim($color));
 
-        $parts = preg_split('/\s+/', $color, 2);
+        $parts = preg_split('/[^,]\s+/', $color, 2);
 
         if (count($parts) == 2) {
             $color = $parts[1];