Description of problem:
if I try to execute scilab with my clearlooks theme selected scilab crashes
during startup, I tried it with wasp theme and it started ok (with some warning,
but eventually started)


Version-Release number of selected component (if applicable):
gtk2-engines-2.6.3-2

How reproducible:
always

Steps to Reproduce:
1. select clearlooks theme
2. run scilab
3.
  
Actual results:
scilab crashes


Expected results:
clearlooks should be more stable and usable in case where other themes work ok


Additional info:

there is log from debug session attached