don't fail make clean if a file is missing
don't fail make clean if a file is missing

g1o/trinityrnaseq,trinityrnaseq/trinityrnaseq,trinityrnaseq/trinityrnaseq,g1o/trinityrnaseq,trinityrnaseq/trinityrnaseq,trinityrnaseq/trinityrnaseq,g1o/trinityrnaseq,trinityrnaseq/trinityrnaseq,g1o/trinityrnaseq,trinityrnaseq/trinityrnaseq,g1o/trinityrnaseq,g1o/trinityrnaseq,trinityrnaseq/trinityrnaseq,g1o/trinityrnaseq,g1o/trinityrnaseq