Qt4Target setup page: Do not enable targets without buildconfigurations

Typo in the code found by clang

Change-Id: Ibe1b7711625049418792013609467d4d34e0f886
Reviewed-on: http://codereview.qt.nokia.com/364


Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Tobias Hunger <tobias.hunger@nokia.com>

src/plugins/qt4projectmanager/qt4target.cpp

@@ -574,7 +574,7 @@ bool Qt4DefaultTargetSetupWidget::isTargetSelected() const
 void Qt4DefaultTargetSetupWidget::setTargetSelected(bool b)
 {
     // Only check target if there are build configurations possible
-    b == b && !buildConfigurationInfos().isEmpty();
+    b &= !buildConfigurationInfos().isEmpty();
     m_ignoreChange = true;
     m_detailsWidget->setChecked(b);
     m_detailsWidget->widget()->setEnabled(b);