pkg: monitoring: rpm: fix expect script on tcl 5.4
pkg: monitoring: rpm: fix expect script on tcl 5.4

tcl 5.4 doesn't have the {*} operator. Use eval and $args instead.
http://wiki.tcl.tk/17158

cp16net/virgo-base,virgo-agent-toolkit/rackspace-monitoring-agent,christopherjwang/rackspace-monitoring-agent,christopherjwang/rackspace-monitoring-agent,cp16net/virgo-base,AlphaStaxLLC/rackspace-monitoring-agent,kaustavha/rackspace-monitoring-agent,cp16net/virgo-base,AlphaStaxLLC/rackspace-monitoring-agent,cp16net/virgo-base,virgo-agent-toolkit/rackspace-monitoring-agent,cp16net/virgo-base,kaustavha/rackspace-monitoring-agent