fix warnings

src/Mod/Part/App/Geometry.cpp

@@ -454,7 +454,7 @@ bool GeomCurve::closestParameter(const Base::Vector3d& point, double &u) const
             return true;
         }
     }
-    catch (StdFail_NotDone& e) { // projection does not exist on trimmer curve, let's try basis curve
+    catch (StdFail_NotDone&) { // projection does not exist on trimmer curve, let's try basis curve
         closestParameterToBasicCurve(point,u);
 
         if(abs(u-c->FirstParameter()) < abs(u-c->LastParameter()))
@@ -465,7 +465,6 @@ bool GeomCurve::closestParameter(const Base::Vector3d& point, double &u) const
         return true;
     }
     catch (Standard_Failure& e) {
-
         throw Base::RuntimeError(e.GetMessageString());
     }
 

src/Mod/Sketcher/App/SketchAnalysis.cpp

@@ -337,7 +337,7 @@ void SketchAnalysis::analyseMissingPointOnPointCoincident(double angleprecision)
                 }
             
             }
-            catch(Base::Exception &e) {
+            catch(Base::Exception &) {
                 Base::Console().Warning("Point-On-Point Coincidence analysis: unable to obtain derivative. Detection ignored.\n");
                 continue;
             }
@@ -782,8 +782,7 @@ int SketchAnalysis::autoconstraint(double precision, double angleprecision, bool
         try {
             makeMissingEquality();
         }
-        catch(Base::RuntimeError &e)
-        {
+        catch(Base::RuntimeError &) {
             doc->abortTransaction();
             throw;
         }