zeroGradient → pointPatchField Relation

File in src/OpenFOAM/fields/pointPatchFields/basic/zeroGradient	Includes file in src/OpenFOAM/fields/pointPatchFields/pointPatchField
zeroGradientPointPatchField.H	pointPatchField.H
zeroGradientPointPatchFields.C	pointPatchFields.H