fix/optimize wtv-flashrom, wtv-disk, wtv-guide

zefie_wtvp_minisrv/includes/ServiceVault/wtv-guide/help.js

@@ -1,4 +1,4 @@
-var minisrv_service_file = true;
+const minisrv_service_file = true;
 
 data = wtvguide.generatePage(request_headers.query.topic || "Index", request_headers.query.subtopic || "Main", request_headers.query.page || null)
 
@@ -7,7 +7,7 @@ if (data) {
 Connection: Keep-Alive
 Content-Type: text/html`
 } else {
-    err = wtvshared.doErrorPage(500);
+    const err = wtvshared.doErrorPage(500);
     console.log(" * wtv-guide error: no implementation for selected for topic/subtopic, or an error occured during generation")
     headers = err[0];
     data = err[1];