Bluetooth: Fix not accepting string equal to CONFIG_BT_DEVICE_NAME_MAX

In order to accept string of the same size entered in
CONFIG_BT_DEVICE_NAME_MAX an extra byte must be allocated to guarantee
it will always be NULL terminated.

Fixes #15067

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
1 file changed