[Coverity CID :186582] Memory - corruptions in /subsys/bluetooth/host/gatt.c

[mandarcthorat1]

Static code scan issues seen in File: /subsys/bluetooth/host/gatt.c
Category: Memory - corruptions
Function: gatt_indicate
Component: Bluetooth
CID: 186582
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 (like all the bt_uuid_t issues)