List AVIF_COLOR_PRIMARIES_SRGB after BT709
This order suggests that AVIF_COLOR_PRIMARIES_BT709 is the main name of
the constant and AVIF_COLOR_PRIMARIES_SRGB is an alias. The association
of color_primaries value 1 with BT.709 is well known.
diff --git a/include/avif/avif.h b/include/avif/avif.h
index b2dc1ec..ff9d1cf 100644
--- a/include/avif/avif.h
+++ b/include/avif/avif.h
@@ -311,8 +311,8 @@
// This is actually reserved, but libavif uses it as a sentinel value.
AVIF_COLOR_PRIMARIES_UNKNOWN = 0,
- AVIF_COLOR_PRIMARIES_SRGB = 1,
AVIF_COLOR_PRIMARIES_BT709 = 1,
+ AVIF_COLOR_PRIMARIES_SRGB = 1,
AVIF_COLOR_PRIMARIES_IEC61966_2_4 = 1,
AVIF_COLOR_PRIMARIES_UNSPECIFIED = 2,
AVIF_COLOR_PRIMARIES_BT470M = 4,
