bugfix to sb2-show
bugfix to sb2-show

- "sb2-show exec ..." displayed misleading information
  in some cases, if the mapping rules had function_name = ".*exec.*"
  conditions in rules.

OlegGirko/ldbox,h113331pp/scratchbox2,ldbox/ldbox,h113331pp/scratchbox2,OlegGirko/ldbox,ldbox/ldbox,h113331pp/scratchbox2,OlegGirko/ldbox,ldbox/ldbox,OlegGirko/ldbox,h113331pp/scratchbox2,ldbox/ldbox,h113331pp/scratchbox2,ldbox/ldbox,OlegGirko/ldbox,ldbox/ldbox,OlegGirko/ldbox,h113331pp/scratchbox2