Description of problem:
Getting a perl compilation error when running perl example client.pl

Version-Release number of selected component (if applicable):
proton-0.7

How reproducible:
100%

Steps to Reproduce:
download, build, install proton-0.7
source config.sh
cd examples/messenger/perl
./client.pl -h 

Actual results:
Type of arg 1 to keys must be hash (not private variable) at /home/eallen/proton/proton-c/bindings/perl/lib/qpid/proton/Data.pm line 1169, near "$hash) "
Compilation failed in require at /home/eallen/proton/proton-c/bindings/perl/lib/qpid_proton.pm line 25.
BEGIN failed--compilation aborted at /home/eallen/proton/proton-c/bindings/perl/lib/qpid_proton.pm line 25.
Compilation failed in require at ./client.pl line 26.
BEGIN failed--compilation aborted at ./client.pl line 26.

Expected results:
usage help text

Additional info:
not sure if this is a perl version problem, but it can be fixed in perl 5.10.1 by changing line 1169 in Data.pm
from: 
    foreach(keys $hash) {
to: 
    foreach (keys %$hash) {