ReplicationQueue: Add handling of null ReplicationTasksStorage.ReplicateRefUpdate

This was originally done in change I72f34d8de but got lost in
the merge from stable-2.15 to stable-2.16 in change Icc855dd26.

Change-Id: Iea4d6e80f64d84b9c13a9fb1792e84fec808a237
1 file changed
tree: accfb3fcbd3a71493f35bb77cbe639d91449f5ea
  1. .gitignore
  2. .mailmap
  3. .settings/
  4. BUILD
  5. LICENSE
  6. src/