singularity in2p3: fix symlink

src/.singularity_in2p3/lbmc-salmon-0.8.2.img

src/.singularity_in2p3/lbmc-salmon-0.8.2.img**

src/.singularity_in2p3/lbmc-sambamba-0.6.7.img

src/.singularity_in2p3/lbmc-sambamba-0.6.7.img**

src/.singularity_in2p3/lbmc-samblaster-0.1.24.img

src/.singularity_in2p3/lbmc-samblaster-0.1.24.img**

src/.singularity_in2p3/lbmc-samtools-1.7.img

src/.singularity_in2p3/lbmc-samtools-1.7.img**

src/.singularity_in2p3/lbmc-sratoolkit-2.8.2.img

src/.singularity_in2p3/lbmc-sratoolkit-2.8.2.img**

src/.singularity_in2p3/lbmc-star-2.7.3a.img

src/.singularity_in2p3/lbmc-star-2.7.3a.img*

src/.singularity_in2p3/lbmc-subread-1.6.4.img

src/.singularity_in2p3/lbmc-subread-1.6.4.img**

src/.singularity_in2p3/lbmc-tophat-2.1.1.img

src/.singularity_in2p3/lbmc-tophat-2.1.1.img**

src/.singularity_in2p3/lbmc-trimmomatic-0.36.img

src/.singularity_in2p3/lbmc-trimmomatic-0.36.img**

src/.singularity_in2p3/lbmc-ucsc-375.img

src/.singularity_in2p3/lbmc-ucsc-375.img**