[Coverity CID :187077] Memory - corruptions in /samples/net/rpl_border_router/src/http.c

[mandarcthorat1]

Static code scan issues seen in File: /samples/net/rpl_border_router/src/http.c
Category: Memory - corruptions
Function: start_http_server
Component: Samples
CID: 187077
Please fix or provide comments to square it off in coverity in the link: https://scan9.coverity.com/reports.htm#v32951/p12996

[rveerama1]

false-positive