Description of problem:
If you run rpm with an invalid command line rpm returns with an exit code
0 signifying all was well, when in fact all was not well.

Version-Release number of selected component (if applicable):
4.0.4-7x.20

How reproducible:
Always

Steps to Reproduce:
1.  Run:

      rpm qa
2.  Type:

      echo $?

   
Actual results:
rpm prints the usage, and the echo the exit code prints 0.

Expected results:
rpm prints usage and exit code was greater than zero.

Additional info:
None.