xenv: wait for the subprocess to end after a KeyboardInterrupt
A KeyboardInterrupt is trapped by xenv
and ignored (an error message is printed) so that it can wait for the subprocess to complete.
Fixes GAUDI-1101.
A KeyboardInterrupt is trapped by xenv
and ignored (an error message is printed) so that it can wait for the subprocess to complete.
Fixes GAUDI-1101.