TANDEM:15-12-15: Fixed cmd line missing arg

Author: Raynooo

tandem/15-12-15-2/Dockerfile

@@ -4,7 +4,7 @@ FROM biocontainers/biocontainers:v1.0.0_cv4
 
 ################## METADATA ######################
 LABEL base_image="biocontainers:v1.0.0_cv4"
-LABEL version="3"
+LABEL version="4"
 LABEL software="X!Tandem"
 LABEL software.version="15-12-15-2"
 LABEL about.summary="software that can match tandem mass spectra with peptide sequences"
@@ -21,8 +21,9 @@ MAINTAINER Felipe da Veiga Leprevost <[email protected]>
 RUN ZIP=tandem-linux-15-12-15-2.zip && \
   wget https://github.com/BioDocker/software-archive/releases/download/X!Tandem/$ZIP -O /tmp/$ZIP && \
   unzip /tmp/$ZIP -d /home/biodocker/bin/ && \
-  rm /tmp/$ZIP && \
-  bash -c 'echo -e "#!/bin/bash\n/home/biodocker/bin/tandem-linux-15-12-15-2/bin/tandem.exe $@"' > /home/biodocker/bin/tandem && \
+  rm /tmp/$ZIP
+
+RUN bash -c 'echo -e "#!/bin/bash\n/home/biodocker/bin/tandem-linux-15-12-15-2/bin/tandem.exe \$@"' > /home/biodocker/bin/tandem && \
   chmod 755 /home/biodocker/bin/tandem
 
 ENV PATH /home/biodocker/bin:$PATH