* make gnuradio-companion conflict with grc to resolve conflict over the
file named /usr/bin/grc, closes: #557050
* patch from Kamal Mostafa to make libusrp packages depend on adduser,
* make gnuradio-companion conflict with grc to resolve conflict over the
file named /usr/bin/grc, closes: #557050
* patch from Kamal Mostafa to make libusrp packages depend on adduser,