M    hai_sandbox/recognize_3d.py fixed crash when there aren't distance features
M    hai_sandbox/recognize_3d.py
fixed crash when there aren't distance features



git-svn-id: 9d271b02f21ef92375d53f3a729673c5fe5e0adf@1021 5fc10e88-4e10-11de-b850-9977aa68d080

gt-ros-pkg/humans,gt-ros-pkg/hrl-pr2,gt-ros-pkg/hrl-pr2,gt-ros-pkg/humans,gt-ros-pkg/humans,gt-ros-pkg/humans,gt-ros-pkg/humans