symfony 1.0 assets patch

symfony 1.0 assets patch

Index: lib/helper/AssetHelper.php
===================================================================
--- lib/helper/AssetHelper.php	(revision 15043)
+++ lib/helper/AssetHelper.php	(working copy)
@@ -159,11 +159,23 @@
   $sourceOptions = (func_num_args() > 1 && is_array($sources[func_num_args() - 1])) ? array_pop($sources) : array();
 
   $html = '';
+
+  $before = '';
+  $after  = '';
+
+  if (isset($sourceOptions['browser_condition']))
+  {
+    $before = '<!--[' . $sourceOptions['browser_condition'] . ']>'."\n";
+    $after  = '<![endif]-->'."\n";
+
+    unset($sourceOptions['browser_condition']);
+  }
+    
   foreach ($sources as $source)
   {
     $source  = stylesheet_path($source);
     $options = array_merge(array('rel' => 'stylesheet', 'type' => 'text/css', 'media' => 'screen', 'href' => $source), $sourceOptions);
-    $html   .= tag('link', $options)."\n";
+    $html   .= $before.tag('link', $options)."\n".$after;
   }
 
   return $html;