Assistant: Fixes related to search configuration.

1. Remove superfluous definition of QT_CLUCENE_SUPPORT
   in assistant.pro. It was not evaluated anywhere.
2. Bugfix for searvh widget when working with non-CLucene search lib.

Reviewed-by: kh1

2 files changed, 2 insertions, 3 deletions

diff --git a/tools/assistant/tools/assistant/assistant.pro b/tools/assistant/tools/assistant/assistant.pro
index 1cbd1d3..1a7e874 100644
--- a/tools/assistant/tools/assistant/assistant.pro
+++ b/tools/assistant/tools/assistant/assistant.pro
@@ -4,8 +4,6 @@ TEMPLATE = app
 LANGUAGE = C++
 TARGET = assistant
 
-DEFINES += QT_CLUCENE_SUPPORT
-
 contains(QT_CONFIG, webkit) {
     QT += webkit
 }
diff --git a/tools/assistant/tools/assistant/searchwidget.cpp b/tools/assistant/tools/assistant/searchwidget.cpp
index 48fa8c6..3b456a3 100644
--- a/tools/assistant/tools/assistant/searchwidget.cpp
+++ b/tools/assistant/tools/assistant/searchwidget.cpp
@@ -85,7 +85,8 @@ SearchWidget::SearchWidget(QHelpSearchEngine *engine, QWidget *parent)
         SLOT(searchingFinished(int)));
 
     QTextBrowser* browser = qFindChild<QTextBrowser*>(resultWidget);
-    browser->viewport()->installEventFilter(this);
+    if (browser) // Will be null if lib was configured not to use CLucene.
+        browser->viewport()->installEventFilter(this);
 }
 
 SearchWidget::~SearchWidget()