Fix check for run as root

pacman-update-check.nu

@@ -6,15 +6,9 @@ use cntfy.nu
 def main [
   --ntfy: bool
 ] {  
-  if is-admin == false {
+  if ( is-admin ) == false {
-    let span = (metadata main).span;
+    error make {
-    err make {
       msg: "This script needs to be run as root"
-      label: {
-        text: "Run as root"
-        start: $label.start
-        end: $label.end
-      }
     }
   }
   let updates = ( checkupdates | split row "\n" )