STYLE: minor code formatting

...sampling/sampledSurface/distanceSurface/distanceSurface.C

src/sampling/sampledSurface/sampledPatch/sampledPatch.C

src/sampling/sampledSurface/sampledPlane/sampledPlane.C

src/sampling/sampledSurface/sampledSurface/sampledSurface.C

src/sampling/sampledSurface/sampledSurface/sampledSurface.H

...g/sampledSurface/sampledSurface/sampledSurfaceTemplates.C

...pledSurface/sampledTriSurfaceMesh/sampledTriSurfaceMesh.C

...ledSurface/thresholdCellFaces/sampledThresholdCellFaces.C

...ledSurface/thresholdCellFaces/sampledThresholdCellFaces.H