nimble/controller; silence compile warning about uninitialized variable.
nimble/controller; silence compile warning about uninitialized
variable.

X-Original-Commit: 196cf7d4b6160a6b675a5e579128a8ce7413d84e

apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble