[FEM] shorten too long lines

- reformatting was done by the MSVC formatter according to our current clang file

src/Mod/Fem/App/FemMeshObject.cpp

@@ -39,7 +39,8 @@ PROPERTY_SOURCE(Fem::FemMeshObject, App::GeoFeature)
 FemMeshObject::FemMeshObject()
 {
     ADD_PROPERTY_TYPE(FemMesh,(), "FEM Mesh",Prop_NoRecompute,"FEM Mesh object");
-    // in the regard of recomputes see: https://forum.freecadweb.org/viewtopic.php?f=18&t=33329#p279203
+    // in the regard of recomputes see:
+    // https://forum.freecadweb.org/viewtopic.php?f=18&t=33329#p279203
 }
 
 FemMeshObject::~FemMeshObject()