fix a couple of small issues

lp:~trb143/openlp/refactorfixes (revision 2787)
https://ci.openlp.io/job/Branch-01-Pull/2278/                          [SUCCESS]
https://ci.openlp.io/job/Branch-02-Functional-Tests/2180/              [SUCCESS]
https://ci.openlp.io/job/Branch-03-Interface-Tests/2061/               [SUCCESS]
https://ci.openlp.io/job/Branch-04a-Code_Analysis/1391/                [SUCCESS]
https://ci.openlp.io/job/Branch-04b-Test_Coverage/1216/                [SUCCESS]
https://ci.ope...