Missing symbol in export library.

I've been playing a bit with pre-build 2.x files. Looks like there is a
missing symbol in one of the
def files since the link libraries (and probably dlls) do not have

gdk_window_get_decorations

I am using

 atk-dev-1.0.3-20020821.zip
 gettext-dev-0.10.40-20020904.zip
 glib-2.0.7-20021201.zip
 glib-dev-2.0.7-20021201.zip
 gtk+-2.0.9-20021201.zip
 gtk+-dev-2.0.9-20021201.zip
 libiconv-1.8-w32-1.bin.zip
 libintl-0.10.40-tml-20020904.zip
 pango-dev-1.0.5-20021201.zip
 pkgconfig-0.14.zip