for passmenu to use gtk3 box (#931)

pinentry/preexec

@@ -0,0 +1,5 @@
+#!/hint/sh
+
+# Define additional functionality for pinentry. For example
+test -e /usr/lib/libgcr-base-3.so.1 && exec /usr/bin/pinentry-gnome3 "$@"
+#test -e /usr/lib/libQt5Widgets.so.5 && exec /usr/bin/pinentry-qt     "$@"