maprenderer → labeling Relation

File in src/core/maprenderer	Includes file in src/core/labeling
qgsmaprenderercustompainterjob.cpp	qgslabelingengine.h
qgsmaprendererjob.cpp	qgslabelingengine.h
qgsmaprendererjob.cpp	qgspallabeling.h
qgsmaprendererjob.cpp	qgsvectorlayerlabeling.h
qgsmaprendererjob.h	qgslabelsink.h
qgsmaprendererparalleljob.cpp	qgslabelingengine.h
qgsmaprenderersequentialjob.cpp	qgslabelingresults.h
qgsmaprenderersequentialjob.cpp	qgspallabeling.h
qgsmaprendererstagedrenderjob.cpp	qgslabelingengine.h