[Bug]: Whois: cannot display whois.nic.ad.jp queries

### Problem description When querying whois.nic.ad.jp via whois, you receive the message "iconv_open: Invalid argument" and the WHOIS results do not display. The exit code is 2. This issue doesn't occur in other distributions, so it appears to be a unique Termux bug rather than an upstream bug. see: https://github.com/termux/termux-packages/issues/27094 ### What steps will reproduce the bug? 1. `pkg install whois` 2. `whois -h whois.nic.ad.jp SS54384JP` ### What is the expected behavior? Shows WHOIS response ### System information ```shell Termux Variables: TERMUX_EXEC__PROC_SELF_EXE=/data/data/com.termux/files/usr/bin/termux-info TERMUX_VERSION=googleplay.2025.10.05 TERMUX__USER_ID=0 Packages CPU architecture: aarch64 Subscribed repositories: URIs: https://termux.net Updatable packages: All packages up to date termux-tools version: 3.0.8 Android version: 16 Kernel build information: Linux localhost 6.1.134-android14-11-g66e758f7d0c0-ab13748739 #1 SMP PREEMPT Tue Jul 8 09:17:32 UTC 2025 aarch64 Android Device manufacturer: Google Device model: Pixel 7 Pro LD Variables: LD_LIBRARY_PATH= LD_PRELOAD=/data/data/com.termux/files/usr/lib/libtermux-exec.so ```