Fix check when not connected

src/main.rs

@@ -63,7 +63,7 @@ struct Locations {
 struct CheckResult {
     connected: bool,
     ip: String, // XXX
-    location: String,
+    location: Option<String>,
 }
 
 #[derive(Serialize, Deserialize, Debug)]
@@ -161,7 +161,9 @@ fn check(opts: &Opts) -> Result<(), anyhow::Error> {
     } else {
         println!("Connected: {:?}", result.connected);
         println!("IP: {}", result.ip);
-        println!("Location: {}", result.location);
+        if let Some(location) = result.location {
+            println!("Location: {}", location);
+        }
     }
     Ok(())
 }