[devel] Fixed interlace image handling and add test cases (John Bowler)
diff --git a/scripts/symbols.def b/scripts/symbols.def
index 4b58e0b..37dcc15 100644
--- a/scripts/symbols.def
+++ b/scripts/symbols.def
@@ -220,7 +220,4 @@
  png_get_y_offset_inches_fixed @212
  png_set_sCAL_fixed @213
  png_get_sCAL_fixed @214
- png_get_num_passes @215
- png_get_num_rows @216
- png_set_background_fixed @217
- png_get_num_cols @218
+ png_set_background_fixed @215