Error in installing cursor-bluecurve-theme

[Indigo 23]

# make install
===>  Building for cursor-bluecurve-theme-5.0.11
cd /usr/ports/x11-themes/cursor-bluecurve-theme/work/redhat-artwork-5.0.11/art/cursor/cursorthemegen
 && cc -O2 -pipe -mtune=pentium4 -fno-strict-aliasing -march=pentium4
`pkg-config --cflags --libs gdk-pixbuf-2.0`  -o
/usr/ports/x11-themes/cursor-bluecurve-theme/work/redhat-artwork-5.0.11/cursorthemegen
main.c themefile.c
cd /usr/ports/x11-themes/cursor-bluecurve-theme/work/redhat-artwork-5.0.11/art/cursor/Bluecurve
 && /usr/ports/x11-themes/cursor-bluecurve-theme/work/redhat-artwork-5.0.11/cursorthemegen
Bluecurve.cursortheme Bluecurve
Error parsing theme definition file: Unable to load image-loading
module: /usr/X11R6/lib/gtk-2.0/2.4.0/loaders/libpixbufloader-png.so:
Cannot open "/usr/X11R6/lib/gtk-2.0/2.4.0/loaders/libpixbufloader-png.so"
*** Error code 1

Stop in /usr/ports/x11-themes/cursor-bluecurve-theme.

I have the following ports installed:

gdk-pixbuf-0.22.0_5 and gtk-2.10.10

and I'm running 6.2.

Any ideas what's making it point back to an older version of GTK?