fix compiler warnings

pcbnew/netlist.cpp

@@ -164,7 +164,7 @@ void PCB_EDIT_FRAME::loadFootprints( NETLIST& aNetlist, REPORTER* aReporter )
     wxString   msg;
     wxString   lastFootprintLibName;
     COMPONENT* component;
-    MODULE*    module;
+    MODULE*    module = 0;
     MODULE*    fpOnBoard;
 
     if( aNetlist.IsEmpty() )

pcbnew/specctra_export.cpp

@@ -263,7 +263,7 @@ static POINT mapPt( const wxPoint& pt )
 static DRAWSEGMENT* findPoint( const wxPoint& aPoint, TYPE_COLLECTOR* items, unsigned aLimit )
 {
     unsigned min_d = INT_MAX;
-    int      ndx_min;
+    int      ndx_min = 0;
 
     // find the point closest to aPoint and perhaps exactly matching aPoint.
     for( int i = 0; i<items->GetCount(); ++i )