OpenFOAM: Updated all libraries, solvers and utilities to use the new const-safe tmp

The deprecated non-const tmp functionality is now on the compiler switch
NON_CONST_TMP which can be enabled by adding -DNON_CONST_TMP to EXE_INC
in the Make/options file.  However, it is recommended to upgrade all
code to the new safer tmp by using the '.ref()' member function rather
than the non-const '()' dereference operator when non-const access to
the temporary object is required.

Please report any problems on Mantis.

Henry G. Weller
CFD Direct.

src/parallel/reconstruct/reconstruct/reconstructLagrangianFields.C

@@ -55,7 +55,7 @@ Foam::tmp<Foam::IOField<Type>> Foam::reconstructLagrangianField
             Field<Type>(0)
         )
     );
-    Field<Type>& field = tfield();
+    Field<Type>& field = tfield.ref();
 
     forAll(meshes, i)
     {
@@ -115,7 +115,7 @@ Foam::reconstructLagrangianFieldField
             Field<Field<Type>>(0)
         )
     );
-    Field<Field<Type>>& field = tfield();
+    Field<Field<Type>>& field = tfield.ref();
 
     forAll(meshes, i)
     {