Update footprint value when doing a Save As to library.

Fixes: lp:1570120
* https://bugs.launchpad.net/kicad/+bug/1570120

pcbnew/footprint_editor_utils.cpp

@@ -41,7 +41,7 @@
 #include <invoke_pcb_dialog.h>
 #include <pcb_layer_widget.h>
 #include <board_commit.h>
-
+#include <view/view.h>
 #include <class_board.h>
 #include <class_module.h>
 #include <class_edge_mod.h>
@@ -382,6 +382,14 @@ void FOOTPRINT_EDIT_FRAME::Process_Special_Functions( wxCommandEvent& event )
         if( GetBoard()->m_Modules )
         {
             SaveFootprintInLibrary( GetCurrentLib(), GetBoard()->m_Modules );
+
+            m_toolManager->GetView()->Update( GetBoard()->m_Modules );
+
+            if( IsGalCanvasActive() && GetGalCanvas() )
+                GetGalCanvas()->ForceRefresh();
+            else
+                GetCanvas()->Refresh();
+
             GetScreen()->ClrModify();
         }
         break;

pcbnew/footprint_libraries_utils.cpp

@@ -701,6 +701,7 @@ bool FOOTPRINT_EDIT_FRAME::SaveFootprintInLibrary( wxString activeLibrary, MODUL
 
     wxString libraryName = aModule->GetFPID().GetLibNickname();
     wxString footprintName = aModule->GetFPID().GetLibItemName();
+    bool updateValue = ( aModule->GetValue() == footprintName );
 
     if( libraryName.IsEmpty() )
         libraryName = activeLibrary;
@@ -776,6 +777,9 @@ bool FOOTPRINT_EDIT_FRAME::SaveFootprintInLibrary( wxString activeLibrary, MODUL
 
     aModule->SetFPID( LIB_ID( libraryName, footprintName ) );
 
+    if( updateValue )
+        aModule->SetValue( footprintName );
+
     // Legacy libraries are readable, but modifying legacy format is not allowed
     // So prompt the user if he try to add/replace a footprint in a legacy lib
     wxString    libfullname = Prj().PcbFootprintLibs()->FindRow( libraryName )->GetFullURI();