geometry: killed compiler warnings

common/geometry/shape_line_chain.cpp

@@ -439,7 +439,7 @@ SHAPE_LINE_CHAIN& SHAPE_LINE_CHAIN::Simplify()
 const VECTOR2I SHAPE_LINE_CHAIN::NearestPoint(const VECTOR2I& aP) const
 {
 	int min_d = INT_MAX;
-	int nearest;
+	int nearest = 0;
 	for ( int i = 0; i < SegmentCount() ; i++ )
 	{
 		int d = CSegment(i).Distance(aP);

include/geometry/seg.h

@@ -307,18 +307,7 @@ inline VECTOR2I SEG::LineProject( const VECTOR2I& aP ) const
 {
 	// fixme: numerical errors for large integers
 	assert(false);
-    /*const VECTOR2I   		  d 	  = aB - aA;
-    ecoord   det     = d.Dot(d);
-    ecoord   dxdy    = (ecoord) d.x * d.y;
-    
-    ecoord   qx      =
-        ( (extended_type) aA.x * d.y * d.y + (extended_type) d.x * d.x * x - dxdy *
-          (aA.y - y) ) / det;
-    extended_type   qy =
-        ( (extended_type) aA.y * d.x * d.x + (extended_type) d.y * d.y * y - dxdy *
-          (aA.x - x) ) / det;
-
-    return VECTOR2<T> ( (T) qx, (T) qy );*/
+	return VECTOR2I(0, 0);
 }
 
 

include/geometry/shape.h

@@ -77,7 +77,10 @@ class SHAPE {
 		 * Returns a dynamically allocated copy of the shape
 		 * @retval copy of the shape
 		 */
-		virtual SHAPE* Clone() const { assert(false); };
+		virtual SHAPE* Clone() const { 
+			assert(false); 
+			return NULL; 
+		};
 
 		/**
 		 * Function Collide()