Fix crash when no modules are available

(cherry picked from commit 2348e07447)

systemsettings/kcmsearch.cpp

@@ -28,7 +28,7 @@
 #include "moduleiconitem.h"
 
 KcmSearch::KcmSearch( TQPtrList<ModulesView> *moduleViewList, TQWidget *parent, const char *name )
-				: KIconViewSearchLine(parent, moduleViewList->at(0)->groups[0], name){
+				: KIconViewSearchLine(parent, (moduleViewList->at(0))?moduleViewList->at(0)->groups[0]:NULL, name){
 	this->moduleViewList = moduleViewList;
 }
 

systemsettings/mainwindow.cpp

@@ -180,7 +180,9 @@ void MainWindow::buildActions()
 kdDebug() << "relpath is :" << group->relPath() << endl;
 		}
 	}
-	pageActions.at(0)->setChecked(true);
+	if (pageActions.at(0)) {
+		pageActions.at(0)->setChecked(true);
+	}
 }
 
 void MainWindow::aboutCurrentModule()