- rpmgrep: more readbility & code style changes.
- rpmgrep: more readbility & code style changes.

devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5