diff -r 56cd8111b7f7 -r 41300fa6a67c tools/assistant/lib/qhelpindexwidget.cpp
--- a/tools/assistant/lib/qhelpindexwidget.cpp	Tue Jan 26 12:42:25 2010 +0200
+++ b/tools/assistant/lib/qhelpindexwidget.cpp	Tue Feb 02 00:43:10 2010 +0200
@@ -130,6 +130,7 @@
     m_abort = true;
     m_mutex.unlock();
     wait();
+    m_abort = false;
 }
 
 QStringList QHelpIndexProvider::indices() const
@@ -164,7 +165,6 @@
     foreach (QString dbFileName, m_helpEngine->fileNameReaderMap.keys()) {
         m_mutex.lock();
         if (m_abort) {
-            m_abort = false;
             m_mutex.unlock();
             return;
         }
@@ -181,7 +181,6 @@
             foreach (QString s, lst)
                 indicesSet.insert(s);
             if (m_abort) {
-                m_abort = false;
                 m_mutex.unlock();
                 return;
             }
@@ -194,7 +193,6 @@
     m_mutex.lock();
     m_indices = indicesSet.values();
     qSort(m_indices.begin(), m_indices.end(), caseInsensitiveLessThan);
-    m_abort = false;
     m_mutex.unlock();
 }
 
@@ -391,8 +389,8 @@
 {
     setEditTriggers(QAbstractItemView::NoEditTriggers);
     setUniformItemSizes(true);
-    connect(this, SIGNAL(activated(const QModelIndex&)),
-        this, SLOT(showLink(const QModelIndex&)));
+    connect(this, SIGNAL(activated(QModelIndex)),
+        this, SLOT(showLink(QModelIndex)));
 }
 
 void QHelpIndexWidget::showLink(const QModelIndex &index)