BUG: Corrected output from BC for parallel running

src/finiteVolume/fields/fvPatchFields/derived/waveSurfacePressure/waveSurfacePressureFvPatchScalarField.C

@@ -209,8 +209,8 @@ void Foam::waveSurfacePressureFvPatchScalarField::updateCoeffs()
             << exit(FatalError);
     }
 
-    Info<< "min/max mag(zetap) = " << min(zetap & nf()) << ", "
-        << max(zetap & nf()) << endl;
+    Info<< "min/max mag(zetap) = " << gMin(zetap & nf()) << ", "
+        << gMax(zetap & nf()) << endl;
 
     fixedValueFvPatchScalarField::updateCoeffs();
 }