Wrong error value returned in Corpus.Initialize

[samalws-tob]

The return on line 351 should return covErr rather than err. Right now it will return 0, 0, nil

medusa/fuzzing/corpus/corpus.go

Lines 344 to 354 in 878b0f1

	// Set our coverage maps to those collected when replaying all blocks when cloning.
	c.coverageMaps = coverage.NewCoverageMaps()
	for _, block := range testChain.CommittedBlocks() {
	for _, messageResults := range block.MessageResults {
	covMaps := coverage.GetCoverageTracerResults(messageResults)
	_, _, covErr := c.coverageMaps.Update(covMaps)
	if covErr != nil {
	return 0, 0, err
	}
	}
	}