Update install.sh

packaging/tools/install.sh

@@ -203,6 +203,7 @@ function install_bin() {
   [ -x ${install_main_dir}/bin/${serverName} ] && ${csudo}ln -s ${install_main_dir}/bin/${serverName} ${bin_link_dir}/${serverName} || :
   [ -x ${install_main_dir}/bin/${adapterName} ] && ${csudo}ln -s ${install_main_dir}/bin/${adapterName} ${bin_link_dir}/${adapterName} || :
   [ -x ${install_main_dir}/bin/taosBenchmark ] && ${csudo}ln -s ${install_main_dir}/bin/taosBenchmark ${bin_link_dir}/taosdemo || :
+  [ -x ${install_main_dir}/bin/taosBenchmark ] && ${csudo}ln -s ${install_main_dir}/bin/taosBenchmark ${bin_link_dir}/taosBenchmark || :
   [ -x ${install_main_dir}/bin/taosdump ] && ${csudo}ln -s ${install_main_dir}/bin/taosdump ${bin_link_dir}/taosdump || :
   [ -x ${install_main_dir}/bin/TDinsight.sh ] && ${csudo}ln -s ${install_main_dir}/bin/TDinsight.sh ${bin_link_dir}/TDinsight.sh || :
   [ -x ${install_main_dir}/bin/remove.sh ] && ${csudo}ln -s ${install_main_dir}/bin/remove.sh ${bin_link_dir}/${uninstallScript} || :