$NetBSD$

Support NetBSD.

--- libraries/lib-wx-wrappers/CMakeLists.txt.orig	2026-04-21 08:21:17.985986999 +0000
+++ libraries/lib-wx-wrappers/CMakeLists.txt
@@ -25,7 +25,7 @@ set( SOURCES
       FileDialog/mac/FileDialogPrivate.mm
       FileDialog/mac/FileDialogPrivate.h
    >
-   $<$<PLATFORM_ID:Linux,FreeBSD,OpenBSD,CYGWIN>:
+   $<$<PLATFORM_ID:Linux,FreeBSD,NetBSD,OpenBSD,CYGWIN>:
       FileDialog/gtk/FileDialogPrivate.cpp
       FileDialog/gtk/FileDialogPrivate.h
    >
