another small bug fix

diff --git a/magick/resize.c b/magick/resize.c
index b42c30e..7316e1a 100644
--- a/magick/resize.c
+++ b/magick/resize.c
@@ -1061,10 +1061,10 @@
         if (resize_filter->filter == SincFast)  filter_type=SincFastFilter;
         if (resize_filter->filter == Jinc)      filter_type=JincFilter;
         if (resize_filter->filter == CubicBC)   filter_type=CubicFilter;
-        if (resize_filter->filter == Box)       window_type=BoxFilter;
+        if (resize_filter->window == Box)       window_type=BoxFilter;
         if (resize_filter->window == Sinc)      window_type=SincFilter;
         if (resize_filter->window == SincFast)  window_type=SincFastFilter;
-        if (resize_filter->filter == Jinc)      window_type=JincFilter;
+        if (resize_filter->window == Jinc)      window_type=JincFilter;
         if (resize_filter->window == CubicBC)   window_type=CubicFilter;
         /*
           Report Filter Details.