3D view: Fix Bug #908871

Eeschema: fix a minor issue.

3d-viewer/3d_read_mesh.cpp

@@ -49,13 +49,20 @@ int S3D_MASTER::ReadData()
         return 1;
     }
 
-    if( wxFileName::FileExists( m_Shape3DName ) )
+    wxString shape3DNname = m_Shape3DName;
+#ifdef __WINDOWS__
+    shape3DNname.Replace( wxT("/"), wxT("\\") );
+#else
+    shape3DNname.Replace( wxT("\\"), wxT("/") );
+#endif
+
+    if( wxFileName::FileExists( shape3DNname ) )
     {
-        FullFilename = m_Shape3DName;
+        FullFilename = shape3DNname;
     }
     else
     {
-        fn = m_Shape3DName;
+        fn = shape3DNname;
         FullFilename = wxGetApp().FindLibraryPath( fn );
 
         if( FullFilename.IsEmpty() )

eeschema/libedit.cpp

@@ -322,6 +322,7 @@ void LIB_EDIT_FRAME::SaveActiveLibrary( wxCommandEvent& event )
     if( libFileName.FileExists() )
     {
         backupFileName.SetExt( wxT( "bak" ) );
+        if( backupFileName.FileExists() )
             wxRemoveFile( backupFileName.GetFullPath() );
 
         if( !wxRenameFile( libFileName.GetFullPath(), backupFileName.GetFullPath() ) )
@@ -361,6 +362,7 @@ void LIB_EDIT_FRAME::SaveActiveLibrary( wxCommandEvent& event )
     if( docFileName.FileExists() )
     {
         backupFileName.SetExt( wxT( "bck" ) );
+        if( backupFileName.FileExists() )
             wxRemoveFile( backupFileName.GetFullPath() );
 
         if( !wxRenameFile( docFileName.GetFullPath(), backupFileName.GetFullPath() ) )