set stretch last section for class view and project view trees

Merge-request: 225
Reviewed-by: dt <qtc-committer@nokia.com>

src/plugins/classview/classviewnavigationwidget.cpp

@@ -83,6 +83,7 @@ NavigationWidget::NavigationWidget(QWidget *parent) :
 
     // tree model
     d_ptr->treeModel = new TreeItemModel(this);
+    d_ptr->ui->treeView->header()->setStretchLastSection(true);
     d_ptr->ui->treeView->setModel(d_ptr->treeModel);
 
     // connect signal/slots

src/plugins/projectexplorer/projecttreewidget.cpp

@@ -116,6 +116,7 @@ ProjectTreeWidget::ProjectTreeWidget(QWidget *parent)
             this, SLOT(filesAboutToBeRemoved(FolderNode *, const QList<FileNode*> &)));
 
     m_view = new ProjectTreeView;
+    m_view->header()->setStretchLastSection(true);
     m_view->setModel(m_model);
     setFocusProxy(m_view);
     initView();