various fixes

[fmessmer]

1. same as https://github.com/ipa320/cob_driver/pull/406
2. fixes -Wswitch-bool warning

Warnings   << cob_people_detection:make /root/catkin_ws/logs/cob_people_detection/build.make.000.log

/root/catkin_ws/src/cob_people_perception/cob_people_detection/common/src/munkres/munkres.cpp: In member function ‘bool munkres::step5(int, int)’:

/root/catkin_ws/src/cob_people_perception/cob_people_detection/common/src/munkres/munkres.cpp:575:27: warning: switch condition has type bool [-Wswitch-bool]

switch (looking_for_star)

                        ^

cd /root/catkin_ws/build/cob_people_detection; catkin build --get-env cob_people_detection | catkin env -si  /usr/bin/make --jobserver-fds=6,7 -j; cd -

[ipa-rmb]

👍