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Imported from libpng-1.2.36beta02.tar
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@@ -1759,9 +1759,9 @@ png_write_start_row(png_structp png_ptr)
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if (png_ptr->do_filter & (PNG_FILTER_AVG | PNG_FILTER_UP | PNG_FILTER_PAETH))
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{
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/* set up previous row buffer */
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png_ptr->prev_row = (png_bytep)png_malloc(png_ptr,
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png_ptr->prev_row = (png_bytep)png_malloc(png_ptr,
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(png_uint_32)buf_size);
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png_memset(png_ptr->prev_row, 0, buf_size);
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png_memset(png_ptr->prev_row, 0, buf_size);
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if (png_ptr->do_filter & PNG_FILTER_UP)
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{
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