konsole triggers infinite SIGABRT loop in libkse

[Alexander Kabaev]

> Hmm, I think I can see how this could occur after a fork.  Does this
> solve the problem for you:
Yes, it does eliminate the infinite loop. konsole still aborts on
startup (cleanly), and it takes several attempts to actually start it or
open the new tab inside, but I do not think this has anything to do with
the threads library anymore.