Fix issue with merge-approval
Fix issue with merge-approval

Merge approvals were being returned as a string instead of a
tuple due to the map in approvals having the user as a string
instead of the (user, name) tuple.  Merge approvals were the
only place where the name of the approver was used.

Signed-off-by: Patrick Williams <cbb7353e6d953ef360baf960c122346276c6e320@stwcx.xyz>

williamspatrick/gerrit-report