diff -r 41300fa6a67c -r 2f34d5167611 tools/assistant/lib/qhelpdbreader.cpp
--- a/tools/assistant/lib/qhelpdbreader.cpp	Tue Feb 02 00:43:10 2010 +0200
+++ b/tools/assistant/lib/qhelpdbreader.cpp	Fri Apr 16 15:50:13 2010 +0300
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -515,7 +515,7 @@
 QString QHelpDBReader::mergeList(const QStringList &list) const
 {
     QString str;
-    foreach (QString s, list)
+    foreach (const QString &s, list)
         str.append(QLatin1Char('\'') + quote(s) + QLatin1String("\', "));
     if (str.endsWith(QLatin1String(", ")))
         str = str.left(str.length()-2);
@@ -567,14 +567,14 @@
 
     bool needUpdate = !m_viewAttributes.count();
 
-    foreach (QString s, attributes)
+    foreach (const QString &s, attributes)
         m_viewAttributes.remove(s);
 
     if (m_viewAttributes.count() || needUpdate) {
         m_viewAttributes.clear();
         m_indicesCache = indexIds;        
     }
-    foreach (QString s, attributes)
+    foreach (const QString &s, attributes)
         m_viewAttributes.insert(s);
     m_useAttributesCache = true;
     return true;