Problems with Perl version of simple PMDA

[Ken McDonell <kenj@xxxxxxxxxxxxxxxx>]

I am seeing this failure from QA 255 on Mac OS X (but no where else) ... help 
from a Perl-knowledgeable person would be appreciated.

=== Building simple agent ===
final argument is not an array reference at 
/var/lib/pcp/pmdas/simple/pmdasimple.pl line 148.
Use of uninitialized value in subroutine entry at 
/var/lib/pcp/pmdas/simple/pmdasimple.pl line 117.
final argument is not an array reference at 
/var/lib/pcp/pmdas/simple/pmdasimple.pl line 117.
final argument is not an array reference at 
/var/lib/pcp/pmdas/simple/pmdasimple.pl line 148.
Use of uninitialized value in subroutine entry at 
/var/lib/pcp/pmdas/simple/pmdasimple.pl line 117.
final argument is not an array reference at 
/var/lib/pcp/pmdas/simple/pmdasimple.pl line 117.