David Brownell <david-b@pacbell.net>:

Let jtag_call_event_callbacks() behave when the callback removes itself.
Oddly, this crashed on x86_32 but not x86_64.


git-svn-id: svn://svn.berlios.de/openocd/trunk@2264 b42882b7-edfa-0310-969c-e2dbd0fdcd60