Update rdtclient.sh

fix path

ct/rdtclient.sh

@@ -52,7 +52,7 @@ function default_settings() {
 
 function update_script() {
 header_info
-if [[ ! -d /opt/rdtclient/ ]]; then msg_error "No ${APP} Installation Found!"; exit; fi
+if [[ ! -d /opt/rdtc/ ]]; then msg_error "No ${APP} Installation Found!"; exit; fi
 msg_info "Updating $APP LXC"
 apt-get update &>/dev/null
 apt-get -y upgrade &>/dev/null