Filed from caserun (INSERT URL HERE)

Description of the problem:
If the name of the plan's attachment has space, it could be uploaded succesfully. However, when we download it, the name will be cut off by the space. The name of attachment should not be changed.

Version-Release number of selected component (if applicable):
3.8.0-7

Steps to Reproduce: 
Click into the plan you want to see.


1.Click the "Attachments" label.
2.Choose one attachment to click on it.
3.Choose open it or save it to local, and click "Ok".

Actual results: 
The name changes when the file is downloaded.

Expected results:
Name should not be changed.