Fix wx28 compil issue, and a compil warning.

pcbnew/dialogs/dialog_non_copper_zones_properties.cpp

@@ -38,6 +38,8 @@
 #include <pcbnew.h>
 #include <zones.h>
 
+#include <wx/imaglist.h>    // needed for wx/listctrl.h, in wxGTK 2.8.12
+
 #include <dialog_non_copper_zones_properties_base.h>
 
 #define LAYER_BITMAP_SIZE_X     20

utils/idftools/idf_outlines.cpp

@@ -1362,7 +1362,6 @@ bool BOARD_OUTLINE::DelOutline( IDF_OUTLINE* aOutline )
 bool BOARD_OUTLINE::DelOutline( size_t aIndex )
 {
     std::list< IDF_OUTLINE* >::iterator itS = outlines.begin();
-    std::list< IDF_OUTLINE* >::iterator itE = outlines.end();
 
     if( outlines.empty() )
     {