Update genie:3.0.2

base/genie:3.0.2

@@ -53,8 +53,8 @@ FROM centos:7.4.1708
  RUN cd / && mkdir genie && cd genie && git clone https://github.com/GENIE-MC/Generator.git genie_generator &&  \
     cd genie_generator && git checkout R-3_00_02 && \ 
     echo "export GENIE=/genie/genie_generator" >> /etc/profile.d/genie.sh && \
-    echo "export PATH=$PATH:$GENIE/bin" >> /etc/profile.d/genie.sh && \
-    echo "export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$GENIE/lib" >> /etc/profile.d/genie.sh && \
+    echo 'export PATH=$PATH:$GENIE/bin' >> /etc/profile.d/genie.sh && \
+    echo 'if [ -z "$LD_LIBRARY_PATH" ]; then export LD_LIBRARY_PATH=$GENIE/lib; else LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$GENIE/lib; fi' >> /etc/profile.d/genie.sh && \
     source /etc/profile.d/root_env.sh && source /etc/profile.d/genie.sh && cd $GENIE && \
     ./configure && make && make install
 #GENIE REWEIGHT