[ot-color] Apply Behdad reviews

docs/harfbuzz-sections.txt

diff --git a/docs/harfbuzz-sections.txt b/docs/harfbuzz-sections.txt
index ecce3c7..c33a1c1 100644
--- a/docs/harfbuzz-sections.txt
+++ b/docs/harfbuzz-sections.txt
@@ -459,8 +459,8 @@
 hb_color_get_green
 hb_color_get_red
 hb_ot_color_glyph_get_layers
-hb_ot_color_glyph_reference_blob_png
-hb_ot_color_glyph_reference_blob_svg
+hb_ot_color_glyph_reference_png
+hb_ot_color_glyph_reference_svg
 hb_ot_color_has_layers
 hb_ot_color_has_palettes
 hb_ot_color_has_png