STYLE: use PstreamBuffers default construct

...ons/test/parallel-nonBlocking/Test-parallel-nonBlocking.C

...VoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshIO.C

...llelProcessing/redistributePar/parLagrangianDistributor.C

...AM/db/IOobjects/decomposedBlockData/decomposedBlockData.C

src/OpenFOAM/db/IOstreams/Fstreams/masterOFstream.C

src/OpenFOAM/db/IOstreams/Pstreams/PstreamBuffers.H

...erUncollatedFileOperation/masterUncollatedFileOperation.C

...ices/lduMatrix/solvers/GAMG/GAMGSolverAgglomerateMatrix.C

src/OpenFOAM/meshes/lduMesh/lduPrimitiveMesh.C

...sh/mapPolyMesh/mapDistribute/mapDistributeBaseTemplates.C

src/OpenFOAM/meshes/polyMesh/syncTools/syncToolsTemplates.C

src/OpenFOAM/parallel/globalIndex/globalIndexTemplates.C

src/dynamicMesh/fvMeshDistribute/fvMeshDistribute.C

...polyTopoChange/polyTopoChange/hexRef8/refinementHistory.C

...rbulentDFSEMInlet/turbulentDFSEMInletFvPatchVectorField.C

src/finiteVolume/fvMesh/fvMeshSubset/fvMeshSubset.C

...functionObjects/field/DMD/DMDModels/derived/STDMD/STDMD.C

src/functionObjects/field/externalCoupled/externalCoupled.C

...onObjects/randomProcesses/energySpectrum/energySpectrum.C

src/functionObjects/utilities/syncObjects/syncObjects.C