[libpng16] Removed #ifdef PNG_16BIT_SUPPORTED/#endif around png_product2(); it is
needed by png_reciprocal2().
Added #ifdef PNG_16BIT_SUPPORTED/#endif around png_log16bit() and
png_do_swap().
diff --git a/pngrtran.c b/pngrtran.c
index 8d7904c..d7a4f1b 100644
--- a/pngrtran.c
+++ b/pngrtran.c
@@ -4962,7 +4962,7 @@
#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
if ((png_ptr->transformations & PNG_USER_TRANSFORM) != 0)
- {
+ {
if (png_ptr->read_user_transform_fn != NULL)
(*(png_ptr->read_user_transform_fn)) /* User read transform function */
(png_ptr, /* png_ptr */