STYLE: avoid implicit construction

meshLibrary/cartesian2DMesh/cartesian2DMeshGenerator/cartesian2DMeshGenerator.C

@@ -286,7 +286,7 @@ Foam::Module::cartesian2DMeshGenerator::cartesian2DMeshGenerator
             checkMeshDict cmd(meshDict_);
         }
 
-        fileName surfaceFile = meshDict_.lookup("surfaceFile");
+        fileName surfaceFile(meshDict_.lookup("surfaceFile"));
         if (Pstream::parRun())
         {
             surfaceFile = ".."/surfaceFile;

meshLibrary/cartesianMesh/cartesianMeshGenerator/cartesianMeshGenerator.C

@@ -342,7 +342,7 @@ Foam::Module::cartesianMeshGenerator::cartesianMeshGenerator(const Time& time)
             checkMeshDict cmd(meshDict_);
         }
 
-        fileName surfaceFile = meshDict_.lookup("surfaceFile");
+        fileName surfaceFile(meshDict_.lookup("surfaceFile"));
         if (Pstream::parRun())
             surfaceFile = ".."/surfaceFile;
 

meshLibrary/tetMesh/tetMeshGenerator/tetMeshGenerator.C

@@ -322,7 +322,7 @@ Foam::Module::tetMeshGenerator::tetMeshGenerator(const Time& time)
             checkMeshDict cmd(meshDict_);
         }
 
-        const fileName surfaceFile = meshDict_.lookup("surfaceFile");
+        const fileName surfaceFile(meshDict_.lookup("surfaceFile"));
 
         surfacePtr_ = new triSurf(runTime_.path()/surfaceFile);
 

meshLibrary/voronoiMesh/voronoiMeshGenerator/voronoiMeshGenerator.C

@@ -385,7 +385,7 @@ Foam::Module::voronoiMeshGenerator::voronoiMeshGenerator(const Time& time)
         if (true)
             checkMeshDict cmd(meshDict_);
 
-        const fileName surfaceFile = meshDict_.lookup("surfaceFile");
+        const fileName surfaceFile(meshDict_.lookup("surfaceFile"));
 
         surfacePtr_ = new triSurf(runTime_.path()/surfaceFile);