Changing the file-name in "file information"-sidebar is not possible

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Click on a file.
2. Change the filename in "file information"-sidebar and hit "save"
3. At first the name is changed, but after hitting "Update" the old file name 
is still there.

What is the expected output? What do you see instead?
The new file name should be shown. Instead of it I see the old file name.

What version of the product are you using? On what operating system?
1.53

Please provide any additional information below.

Original issue reported on code.google.com by torsten....@gmx.de on 2 Feb 2012 at 4:28