Rendering result incorrect for I-beams in ubuntu

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Under Ubuntu 12.04, compile using cmake
2. Load the attached ifc file


What is the expected output? What do you see instead?
Output is attached (Screenshot_ubuntu.png). Expected output is also attached 
(Screenshot_windows.png). It is produced by loading the same file using the 
windows version (http://www.ifcplusplus.com/download/IfcPlusPlusViewer.zip)

What version of the product are you using? On what operating system?
r23 on Ubuntu 12.04

Please provide any additional information below.

Original issue reported on code.google.com by lizhi...@gmail.com on 4 Aug 2014 at 6:18

Attachments:

• 4FJ&4FH.ifc
• Screenshot_ubuntu.png
• Screenshot_windows.png