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-rw-r--r--com32/lib/libpng/pngrtran.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/com32/lib/libpng/pngrtran.c b/com32/lib/libpng/pngrtran.c
index ccc58ce6..f8dcccf1 100644
--- a/com32/lib/libpng/pngrtran.c
+++ b/com32/lib/libpng/pngrtran.c
@@ -4215,6 +4215,8 @@ png_do_expand_palette(png_structrp png_ptr, png_row_infop row_info,
png_uint_32 i;
png_uint_32 row_width=row_info->width;
+ (void)png_ptr;
+
png_debug(1, "in png_do_expand_palette");
if (row_info->color_type == PNG_COLOR_TYPE_PALETTE)