unspawner should be executable (ros ticket #3680)

[ahendrix]

pr2_controller_manager unspawner should be set to executable

trac data:

• Owner: sglaser
• Reporter: vpradeep
• Reported at: Wed Jan 20 19:54:53 2010
• URL: https://code.ros.org/trac/wg-ros-pkg/ticket/3680

[ahendrix]

[sglaser] r29784