fix for single sample hisat2
fix for single sample hisat2

kbase/KBaseRNASeq,kbase/KBaseRNASeq,kbaseIncubator/KBaseRNASeq,kbaseIncubator/KBaseRNASeq,kbase/KBaseRNASeq,kbase/KBaseRNASeq,kbaseIncubator/KBaseRNASeq