labeling → vector Relation

File in src/core/labeling	Includes file in src/core/vector
qgspallabeling.cpp	qgsvectorlayer.h
qgsvectorlayerlabeling.cpp	qgsvectorlayer.h
qgsvectorlayerlabelprovider.cpp	qgsvectorlayer.h
qgsvectorlayerlabelprovider.cpp	qgsvectorlayerfeatureiterator.h
rules / qgslabelingenginerule_impl.cpp	qgsvectorlayerfeatureiterator.h
rules / qgslabelingenginerule_impl.h	qgsvectorlayerref.h