Fix crash in imagesDifferByCachedTIFFComparison_block_invoke_2, line 20

[numist]

Version: 0.0.8 (β) (0.0.8) | net.numist.Switch

Stacktrace

-;imagesDifferByCachedTIFFComparison_block_invoke_2;imageComparators.h;20
-;imagesDifferByCachedTIFFComparison_block_invoke;imageComparators.h;26
SWWindowWorker;main;SWWindowWorker.m;80
NNPollingObject;workerLoop;NNPollingObject.m;55
NNPollingObject;workerLoop;NNPollingObject.m;67

Link to HockeyApp

• https://rink.hockeyapp.net/manage/apps/62459/crash_reasons/36135187