Patch to fix Magento config section sorting bug

systemConfigSectionsSorting.patch

diff --git a/app/code/core/Mage/Adminhtml/Block/System/Config/Tabs.php b/app/code/core/Mage/Adminhtml/Block/System/Config/Tabs.php
index 9d3350c..4af5c71
--- a/app/code/core/Mage/Adminhtml/Block/System/Config/Tabs.php
+++ b/app/code/core/Mage/Adminhtml/Block/System/Config/Tabs.php
@@ -80,13 +80,22 @@ class Mage_Adminhtml_Block_System_Config_Tabs extends Mage_Adminhtml_Block_Widge
         $configFields = Mage::getSingleton('adminhtml/config');
         $sections = $configFields->getSections($current);
         $tabs     = (array)$configFields->getTabs()->children();
-       
 
-        $sections = (array)$sections;
-
-        usort($sections, array($this, '_sort'));
         usort($tabs, array($this, '_sort'));
 
+        $tabSections = array();
+        foreach ((array)$sections as $section) {
+            $tab = (string)$section->tab;
+            if (!empty($tab)) {
+                if (!isset($tabSections[$tab])) {
+                    $tabSections[$tab] = array();
+                }
+                $tabSections[$tab][] = $section;
+            }
+        }
+
+        $sections = array();
+
         foreach ($tabs as $tab) {
             $helperName = $configFields->getAttributeModule($tab);
             $label = Mage::helper($helperName)->__((string)$tab->label);
@@ -95,8 +104,13 @@ class Mage_Adminhtml_Block_System_Config_Tabs extends Mage_Adminhtml_Block_Widge
                 'label' => $label,
                 'class' => (string) $tab->class
             ));
-        }
 
+            if (isset($tabSections[$tab->getName()])) {
+                $section = $tabSections[$tab->getName()];
+                usort($section, array($this, '_sort'));
+                $sections = array_merge($sections, $section);
+            }
+        }
 
         foreach ($sections as $section) {