Add a customexecutablerunconfiguration if no others are available

This fixes a crash when creating a new target and then directly
switch into the run settings view.

src/plugins/qt4projectmanager/qt4target.cpp

@@ -40,6 +40,7 @@
 #include "qt-s60/s60emulatorrunconfiguration.h"
 #include "qt-s60/s60createpackagestep.h"
 
+#include <projectexplorer/customexecutablerunconfiguration.h>
 #include <projectexplorer/toolchain.h>
 #include <coreplugin/coreconstants.h>
 #include <symbianutils/symbiandevicemanager.h>
@@ -191,6 +192,9 @@ Qt4Target *Qt4TargetFactory::create(ProjectExplorer::Project *parent, const QStr
     foreach (const QString &path, pathes)
         t->addRunConfigurationForPath(path);
 
+    if (t->runConfigurations().isEmpty())
+        t->addRunConfiguration(new CustomExecutableRunConfiguration(t));
+
     return t;
 }