fix

docker/mlmc.baseimage

@@ -11,12 +11,12 @@ WORKDIR ${WORKDIR}
 USER ${USER}
 
 COPY --chown=${USER}:${USER} . ${WORKDIR}
-RUN cd mpp && \
-    tar xjf sprng5.tar.bz2 && \
+RUN tar xjf sprng5.tar.bz2 && \
     cd sprng5 && \
     ./configure --with-mpi=yes --with-fortran=no && \
     make -j20 && \
     cd .. && \
+    cd mpp && \
     git fetch --all && \
     git checkout $UPSTREAM_COMMIT && \
     cd .. && \