[LTP] [PATCH] configure.ac: Fix --with* options

[Joerg Vehlow]

Hi Petr,
> I'm for merging this. I just wonder if it's not better to remove $with_bash and
> $with_python (as part of this patch), if they're not working.
I think you misunderstood. I did not say, that Bash and Python switches 
were not working,
just that the dependency of bash and python for realtime tests did not 
work -> it was not a dependency.
The realtime testsuite could be enabled without bash and python enabled.