[Coverity CID :197463]Memory - corruptions in /samples/bluetooth/central_hr/src/main.c

[aasthagr]

Static code scan issues seen in File: /samples/bluetooth/central_hr/src/main.c
Category: Memory - corruptions
Function: discover_func
Component: Samples
CID: 197463
Please fix or provide comments to square it off in coverity in the link: https://scan9.coverity.com/reports.htm#v32951/p12996

[jhedberg]

Marked as false positive in Coverity