tests/test-inotify-debuginotify.out

test-init: replace 'echo -n' with 'printf'

The '-n' argument to echo is a non-standard extension that isn't
supported on Mac OS X 10.6.

% inserve
% empty
directories being watched:
  /
  .hg/
% only a
directories being watched:
  /
  .hg/
  a/
% empty again
directories being watched:
  /
  .hg/