Fix typos and whitespace

src/Mod/Fem/Gui/TaskFemConstraintDisplacement.cpp

@@ -698,7 +698,7 @@ bool TaskDlgFemConstraintDisplacement::accept()
                                 name.c_str(),
                                 parameterDisplacement->get_useFlowSurfaceForce() ? "True"
                                                                                  : "False");
-        
+
         std::string scale = parameterDisplacement->getScale();// OvG: determine modified scale
         Gui::Command::doCommand(Gui::Command::Doc,
                                 "App.ActiveDocument.%s.Scale = %s",

src/Mod/Fem/femtaskpanels/task_constraint_flowvelocity.py

@@ -48,7 +48,7 @@ class _TaskPanel(object):
         self._paramWidget = FreeCADGui.PySideUic.loadUi(
             FreeCAD.getHomePath() + "Mod/Fem/Resources/ui/FlowVelocity.ui"
         )
-        
+
         # geometry selection widget
         # start with Solid in list!
         self._selectionWidget = selection_widgets.GeometryElementsSelection(