Description of problem:

rpminfo returns wrong exit codes even if action was successful.
example:
$ rpminfo --help
Usage: rpminfo [-h] [-v] [-q] [-c] [-e | -l] [-p | -np | -P | -nP | -r]
                 [-s] [-o <file>] {-i | [<rpm package>...]}

  -h  | --help                 print help
  -v  | --verbose              be more verbose (to stderr)
  -q  | --quiet                only list files
  -qq                          really quiet: do not print rpath in split mode
  -i  | --installed            all installed packages
  -e  | --executables          list executables
  -l  | --libraries            list libraries
  -p  | --pic                  list pic
  -np | --no_pic               list no pic
  -P  | --pie                  list pie
  -nP | --no_pie               list no pie
  -r  | --rpath                list files containing rpath
  -ro | --rpath_odd            list files containing odd rpath
  -s  | --split                split output (.pie, .pic, .dso_pic, .rpath..)
                               output must be specified
  -t  | --test                 test for odd rpath
  -o <file> | --output=<file>  output in file <file>
  -T <dir> | --tmp-dir=<dir>   temporary directory

  Default options: -e -l -p -np -P -nP -r -t
$ echo $?
255

Other actions are affected too.

Version-Release number of selected component (if applicable):

  rpmdevtools-8.3-1.fc18.noarch

How reproducible:

  always
  
Actual results:

  exit code is always 255 even if performed action was successful

Expected results:

  exit codes reflect action result (especially is 0 in case of success)