FEM: remove trailing whitespaces

src/Mod/Fem/App/AppFem.cpp

@@ -50,7 +50,7 @@
 #include "FemConstraintPressure.h"
 #include "FemConstraintGear.h"
 #include "FemConstraintPulley.h"
-#include "FemConstraintDisplacement.h" 
+#include "FemConstraintDisplacement.h"
 
 #include "FemResultObject.h"
 #include "FemSolverObject.h"
@@ -115,7 +115,7 @@ PyMODINIT_FUNC initFem()
     // NOTE: To finish the initialization of our own type objects we must
     // call PyType_Ready, otherwise we run into a segmentation fault, later on.
     // This function is responsible for adding inherited slots from a type's base class.
- 
+
     Fem::FemAnalysis                ::init();
     Fem::FemAnalysisPython          ::init();
     Fem::DocumentObject             ::init();