Add FASTCGI_LENGTH variable

Author: Kristan Kenney

func/syshealth.sh

@@ -45,7 +45,7 @@ function syshealth_update_web_config_format() {
     # WEB DOMAINS
     # Create array of known keys in configuration file
     system="web"
-    known_keys=(DOMAIN IP IP6 CUSTOM_DOCROOT CUSTOM_PHPROOT FASTCGI_CACHE ALIAS TPL SSL SSL_FORCE SSL_HOME LETSENCRYPT FTP_USER FTP_MD5 FTP_PATH BACKEND PROXY PROXY_EXT STATS STATS_USER STATS_CRYPT SUSPENDED TIME DATE)
+    known_keys=(DOMAIN IP IP6 CUSTOM_DOCROOT CUSTOM_PHPROOT FASTCGI_CACHE FASTCGI_LENGTH ALIAS TPL SSL SSL_FORCE SSL_HOME LETSENCRYPT FTP_USER FTP_MD5 FTP_PATH BACKEND PROXY PROXY_EXT STATS STATS_USER STATS_CRYPT SUSPENDED TIME DATE)
     write_kv_config_file
     unset system
     unset known_keys