QmakeProjectManager::availableSetups: Don't consider kits without a qt

Change-Id: I62526d0e60749999a52413d9d02b3b03ea9d83eb
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Tobias Hunger <tobias.hunger@theqtcompany.com>

src/plugins/qmakeprojectmanager/qmakebuildconfiguration.cpp

@@ -663,6 +663,8 @@ int QmakeBuildConfigurationFactory::priority(const Kit *k, const QString &projec
 QList<BuildInfo *> QmakeBuildConfigurationFactory::availableSetups(const Kit *k, const QString &projectPath) const
 {
     QList<ProjectExplorer::BuildInfo *> result;
+    if (!QtSupport::QtKitInformation::qtVersion(k))
+        return result;
     result << createBuildInfo(k, projectPath, ProjectExplorer::BuildConfiguration::Debug);
     result << createBuildInfo(k, projectPath, ProjectExplorer::BuildConfiguration::Release);
     return result;