control-toolbox: add missing build dep on python-rospkg

Signed-off-by: Dmitry Rozhkov <dmitry.rozhkov@linux.intel.com>

recipes-ros/control-toolbox/control-toolbox_1.13.2.bb

@@ -4,7 +4,7 @@ LICENSE = "BSD"
 LIC_FILES_CHKSUM = "file://package.xml;beginline=7;endline=7;md5=d566ef916e9dedc494f5f793a6690ba5"
 
 DEPENDS = "rosconsole tf roscpp angles message-generation dynamic-reconfigure libtinyxml \
-    realtime-tools message-filters"
+    realtime-tools message-filters python-rospkg"
 
 SRC_URI = "https://github.com/ros-controls/${ROS_SPN}/archive/${PV}.tar.gz;downloadfilename=${ROS_SP}.tar.gz"
 SRC_URI[md5sum] = "40bc1f04e5936b7fee824f6717702a62"