STYLE: defineDebug: move into Foam namespace

src/postProcessing/functionObjects/utilities/Peclet/Peclet.C

@@ -33,7 +33,10 @@ License
 
 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
-defineTypeNameAndDebug(Foam::Peclet, 0);
+namespace Foam
+{
+defineTypeNameAndDebug(Peclet, 0);
+}
 
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //