[openwrt/openwrt] wifi-scripts: ucode: print unknown ssid as unknown

[LEDE Commits]

nbd pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/41aceb2de87d0d2ba9310f85455f24e50e2d73d0

commit 41aceb2de87d0d2ba9310f85455f24e50e2d73d0
Author: Oldřich Jedlička <oldium.pro at gmail.com>
AuthorDate: Fri Aug 1 22:38:10 2025 +0200

    wifi-scripts: ucode: print unknown ssid as unknown
    
    Currently it is printed as "null" (including quotes). Display it the same
    as old iwinfo as unknown (no quotes).
    
    Signed-off-by: Oldřich Jedlička <oldium.pro at gmail.com>
---
 package/network/config/wifi-scripts/files-ucode/usr/bin/iwinfo | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package/network/config/wifi-scripts/files-ucode/usr/bin/iwinfo b/package/network/config/wifi-scripts/files-ucode/usr/bin/iwinfo
index d51c3ad6fa..5b492d6cfa 100755
--- a/package/network/config/wifi-scripts/files-ucode/usr/bin/iwinfo
+++ b/package/network/config/wifi-scripts/files-ucode/usr/bin/iwinfo
@@ -44,7 +44,7 @@ function print_info(list) {
 	let padding = '         ';
 
 	for (let bss in list) {
-		printf(`${bss.iface} ESSID: "${bss.ssid}"\n`);
+		printf(`${bss.iface} ESSID: ${bss.ssid === null ? 'unknown' : '"' + bss.ssid + '"'}\n`);
 		printf(`${padding}Access Point: ${bss.mac}\n`);
 		printf(`${padding}Mode: ${bss.mode}  Channel: ${bss.channel} (${bss.freq} GHz)  HT Mode: ${bss.htmode}\n`);
 		printf(`${padding}Center Channel 1: ${bss.center_freq1} 2: ${bss.center_freq2}\n`);