[QGIS-Developer] Help fixing code for gcc 4.8

[Henrik Krohns]

Hello,

I've been trying to compile QGis on RHEL7 / GCC 4.8.5 all day.  It seems
lots of code assume newer compiler.  I've fixed many cases already, but
here's something I can't manage..  not really proficient in C++..

src/server/services/wms/qgswmsgetcapabilities.cpp: In function 'bool QgsWms::hasQueryableChildren(const QgsLayerTreeNode*, const QStringList&)':
src/server/services/wms/qgswmsgetcapabilities.cpp:1893:31: error: base operand of '->' has non-pointer type 'const std::initializer_list<const QgsLayerTreeLayer* const>'
       const auto l { treeLayer->layer() };
                               ^
src/server/services/wms/qgswmsgetcapabilities.cpp:1893:41: error: unable to deduce 'const std::initializer_list<const auto>' from '{<expression error>}'
       const auto l { treeLayer->layer() };

The code..

    else if ( childNode->nodeType() == QgsLayerTreeNode::NodeLayer )
    {
      const auto treeLayer { static_cast<const QgsLayerTreeLayer *>( childNode ) };
      const auto l { treeLayer->layer() };
      return ! wmsRestrictedLayers.contains( l->name() ) && l->flags().testFlag( QgsMapLayer::Identifiable );

Any ideas how to rewrite?

Cheers,
Henrik