[skip ci] fix copy&paste errors

src/Gui/DlgSettingsImageImp.h

@@ -35,7 +35,7 @@ namespace Dialog {
 class Ui_DlgSettingsImage;
 
 /**
- * The DlgSettings3DViewImp class implements a preference page to change settings
+ * The DlgSettingsImageImp class implements a preference page to change settings
  * for the Inventor viewer.
  * @author Werner Mayer
  */

src/Gui/DlgSettingsUnitsImp.h

@@ -59,4 +59,4 @@ private:
 } // namespace Dialog
 } // namespace Gui
 
-#endif // GUI_DIALOG_DLGSETTINGS3DVIEWIMP_H
+#endif // GUI_DIALOG_DLGSETTINGSUnitsIMP_H