Fix some warnings.

pcbnew/footprint_edit_frame.cpp

@@ -544,7 +544,7 @@ void FOOTPRINT_EDIT_FRAME::ReloadFootprint( FOOTPRINT* aFootprint )
         const wxString openLibLink =
                 wxString::Format( _( "Open in library %s" ), UnescapeString( libName ) );
 
-        const auto openLibraryCopy = [this, aFootprint]( wxHyperlinkEvent& aEvent )
+        const auto openLibraryCopy = [this]( wxHyperlinkEvent& aEvent )
         {
             GetToolManager()->RunAction( PCB_ACTIONS::editLibFpInFpEditor );
         };

qa/tools/pns/pns_log_file.cpp

@@ -45,7 +45,7 @@ std::vector<BOARD_CONNECTED_ITEM*> PNS_LOG_FILE::ItemsById( const PNS::LOGGER::E
 
     parents.resize( evt.uuids.size() );
 
-    printf("u %d p %d\n", evt.uuids.size(), parents.size() );
+    printf("u %zu p %zu\n", evt.uuids.size(), parents.size() );
 
     for( BOARD_CONNECTED_ITEM* item : m_board->AllConnectedItems() )
     {

qa/tools/pns/pns_log_player.cpp

@@ -110,7 +110,7 @@ void PNS_LOG_PLAYER::ReplayLog( PNS_LOG_FILE* aLog, int aStartEventIndex, int aF
         auto  items = aLog->ItemsById( evt );
         PNS::ITEM_SET ritems;
 
-        printf("items: %d\n", items.size() );
+        printf("items: %zu\n", items.size() );
         ITEM* ritem = nullptr;
 
         if( items.size() && items[0] )