Fix Lesti_Fpc + Manadev SEO Layered Navigation

lestifpc_manadev.patch

diff --git a/app/code/community/Lesti/Fpc/Helper/Data.php b/app/code/community/Lesti/Fpc/Helper/Data.php
index 94e9ea1..daec7e1 100644
--- a/app/code/community/Lesti/Fpc/Helper/Data.php
+++ b/app/code/community/Lesti/Fpc/Helper/Data.php
@@ -70,7 +70,13 @@ class Lesti_Fpc_Helper_Data extends Lesti_Fpc_Helper_Abstract
                 'port' => $request->getServer('SERVER_PORT'),
                 'full_action_name' => $this->getFullActionName());
             $uriParams = $this->_getUriParams();
-            foreach ($request->getParams() as $requestParam =>
+            $manadevParams = array();
+            if($parsedUrl = Mage::registry('m_parsed_url')) {
+                $manadevParams = $parsedUrl->getQueryParameters();
+            }
+            $parametersList = array_merge($manadevParams,$request->getParams());
+
+            foreach ($parametersList as $requestParam =>
                      $requestParamValue) {
                 if (!$requestParamValue) {
                     continue;