fixed defects found by Prevent where a return value was not being checked. Now print out a log warning message when bionet_hab_add_node() fails.
fixed defects found by Prevent where a return value was not being checked. Now print out a log warning message when bionet_hab_add_node() fails.

ldm5180/hammerhead,ldm5180/hammerhead,ldm5180/hammerhead,ldm5180/hammerhead,ldm5180/hammerhead,ldm5180/hammerhead,ldm5180/hammerhead