busybox

- fix bug in make help introduced by landley in r15022:

Development:
  bloatcheck             - show size difference between busybox_unstripped
  /bin/sh: -c: line 0: unexpected EOF while looking for matching `''
  /bin/sh: -c: line 1: syntax error: unexpected end of file
  make[1]: *** [help] Error 2
  make: *** [help] Error 2