New paramaterized interface doesn't like quoted parameters.

(At least on MSW, anyway.)

common/gestfich.cpp

@@ -140,14 +140,7 @@ int ExecuteFile( const wxString& aEditorName, const wxString& aFileName, wxProce
             args[i++] = param.wc_str();
 
         if( !aFileName.IsEmpty() )
-        {
-            wxString name = aFileName;
-
-            // A quoted filename is incorrectly handled here, perhaps because wxExecute
-            // add quotes. So remove quotes if any (they also are illegal in filenames).
-            name.Replace( "\"", "" );
-            args[i++] = name.wc_str();
-        }
+            args[i++] = aFileName.wc_str();
 
         args[i] = nullptr;
 

eeschema/sch_edit_frame.cpp

@@ -984,8 +984,7 @@ void SCH_EDIT_FRAME::OnOpenPcbnew( wxCommandEvent& event )
 
         if( Kiface().IsSingle() )
         {
-            wxString filename = QuoteFullPath( boardfn );
-            ExecuteFile( PCBNEW_EXE, filename );
+            ExecuteFile( PCBNEW_EXE, boardfn.GetFullPath() );
         }
         else
         {

pcbnew/pcb_edit_frame.cpp

@@ -1505,8 +1505,7 @@ void PCB_EDIT_FRAME::RunEeschema()
 
     if( Kiface().IsSingle() )
     {
-        wxString filename = wxT( "\"" ) + schematic.GetFullPath( wxPATH_NATIVE ) + wxT( "\"" );
-        ExecuteFile( EESCHEMA_EXE, filename );
+        ExecuteFile( EESCHEMA_EXE, schematic.GetFullPath() );
     }
     else
     {