opcontrol shebang: should use bash

[Victor S. <vic...@ha...>]

Hi,

opcontrol script uses bash extensions like $((NR_CHOSEN - 1)). So opcontrol 
should use #!/bin/bash as shebang. See related Debian bug report:
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=447797

Victor
PS: Please CC-me for your answers since I'm not registred to your mailing 
list.