Fixed a problem by preventing index-out-of-scope situation

...esianMesh/cartesianMeshGenerator/cartesianMeshGenerator.C

meshLibrary/utilities/meshes/partTriMesh/partTriMesh.C

...lities/meshes/partTriMesh/partTriMeshParallelAddressing.C

...hers/geometry/meshSurfaceOptimizer/meshSurfaceOptimizer.H

...ers/geometry/meshSurfaceOptimizer/meshSurfaceOptimizerI.H

...faceOptimizer/meshSurfaceOptimizerOptimizePointParallel.C

...eshSurfaceOptimizer/meshSurfaceOptimizerOptimizeSurface.C

...surfaceTools/edgeExtraction/edgeExtractor/edgeExtractor.C