File add-unistd_h-for-qt-6_9_1.patch of Package qt6integration

diff -Nur qt6integration-6.0.36/platformthemeplugin/qdeepinfiledialoghelper.cpp qt6integration-6.0.36-new/platformthemeplugin/qdeepinfiledialoghelper.cpp
--- qt6integration-6.0.36/platformthemeplugin/qdeepinfiledialoghelper.cpp	2025-05-19 17:27:22.000000000 +0800
+++ qt6integration-6.0.36-new/platformthemeplugin/qdeepinfiledialoghelper.cpp	2025-06-09 16:51:54.850418693 +0800
@@ -27,6 +27,10 @@
 
 #include <X11/Xlib.h>
 
+#ifdef Q_OS_UNIX
+#include <unistd.h>
+#endif
+
 #include <DPlatformHandle>
 DGUI_USE_NAMESPACE