node.js http empty header patch

--- lib/http1.js        2010-07-06 07:54:46.000000000 +0000
+++ lib/http.js 2010-07-06 07:53:55.000000000 +0000
@@ -37,7 +37,7 @@

   parser.onHeaderField = function (b, start, len) {
     var slice = b.toString('ascii', start, start+len).toLowerCase();
-    if (parser.value) {
+    if (parser.value != undefined) {
       parser.incoming._addHeaderLine(parser.field, parser.value);
       parser.field = null;
       parser.value = null;
@@ -59,7 +59,7 @@
   };

   parser.onHeadersComplete = function (info) {
-    if (parser.field && parser.value) {
+    if (parser.field && (parser.value != undefined)) {
       parser.incoming._addHeaderLine(parser.field, parser.value);
     }