Fixed some compiler warnings

src/db/db/dbDeepShapeStore.cc

@@ -1389,7 +1389,6 @@ namespace
   {
   public:
     DeepShapeStoreToShapeTransformer (const DeepShapeStore &dss, const db::Layout &layout)
-      : mp_layout (& layout)
     {
       //  gets the text annotation property ID -
       //  this is how the texts are passed for annotating the net names
@@ -1445,7 +1444,6 @@ namespace
 
   private:
     std::pair<bool, db::property_names_id_type> m_text_annot_name_id;
-    const db::Layout *mp_layout;
   };
 }
 

src/db/db/dbEdgePairFilters.h

@@ -119,7 +119,6 @@ public:
   virtual bool wants_variants () const { return false; }
 
 private:
-  bool m_inverted;
   db::EdgeAngleChecker m_checker;
 };
 

src/db/db/dbEdgesUtils.h

@@ -244,7 +244,6 @@ struct DB_PUBLIC EdgeOrientationFilter
   }
 
 private:
-  bool m_inverse;
   db::MagnificationAndOrientationReducer m_vars;
   EdgeAngleChecker m_checker;
 };