Update 30-zabbix

Fix path for autogenerated PSK file

Author: fermion2020

install/assets/functions/30-zabbix

@@ -17,8 +17,8 @@ configure_zabbix_proxy() {
                 # openssl rand -hex 32 = 256bit
                 ZABBIX_PROXY_TLS_PSK_FILE="${ZABBIX_CERT_PATH}/zabbix_proxy.psk"
                 mkdir -p "${ZABBIX_CERT_PATH}"
-                echo "${ZABBIX_PROXY_TLS_PSK_KEY}" > "${ZABBIX_CERT_PATH}"/"${ZABBIX_PROXY_TLS_PSK_FILE}"
-                chmod -f 0600 "${ZABBIX_CERT_PATH}"/"${ZABBIX_PROXY_TLS_PSK_FILE}"
+                echo "${ZABBIX_PROXY_TLS_PSK_KEY}" > "${ZABBIX_PROXY_TLS_PSK_FILE}"
+                chmod -f 0600 "${ZABBIX_PROXY_TLS_PSK_FILE}"
                 chown -f -R "${ZABBIX_USER}" "${ZABBIX_CERT_PATH}"
             fi
 
@@ -353,4 +353,4 @@ write_config_value() {
     if [ -n "${!env_var_name}" ]; then
         echo "${config_key}=${!env_var_name}" >> "${config_file}"
     fi
-}
+}