setup_hashed_features() wasn't copying the configuration of the

feature extractor into the scanner.  Fixed this problem.

dlib/image_processing/scan_image_pyramid_tools.h

@@ -60,6 +60,7 @@ namespace dlib
 
         hashed_feature_image<feature_extractor, projection_hash> hfe;
         hfe.set_hash(phash);
+        hfe.copy_configuration(fe);
         scanner.copy_configuration(hfe);
     }