Fix the example

cyw43/src/structs.rs

@@ -516,7 +516,7 @@ pub struct BssInfo {
     pub bssid: [u8; 6],
     pub beacon_period: u16,
     pub capability: u16,
-    pub ssid: heapless::String<32>,
+    pub ssid: heapless::Vec<u8, 32>,
     pub rssi: i16,
     pub security: BssSecurity,
 }
@@ -573,10 +573,7 @@ impl BssInfo {
             0 => BssSecurity::Open,
             _ => BssSecurity::None,
         };
-        let ssid = heapless::String::from_utf8(
-            heapless::Vec::from_slice(&bss_info.ssid[..bss_info.ssid_len as usize]).unwrap(),
-        )
-        .ok()?;
+        let ssid = heapless::Vec::from_slice(&bss_info.ssid[..bss_info.ssid_len as usize]).unwrap();
         let BssInfoInternal {
             version,
             length,