openjpeg: Remove unneeded non-standard code.

third_party/libopenjpeg20/README.pdfium

Index: third_party/libopenjpeg20/README.pdfium
diff --git a/third_party/libopenjpeg20/README.pdfium b/third_party/libopenjpeg20/README.pdfium
index cec6064ea2ebde8d39cbe3ba1dc12cdb05f978cd..a8f83c36a2014abd2b35b3603dd6ba64d92f9523 100644
--- a/third_party/libopenjpeg20/README.pdfium
+++ b/third_party/libopenjpeg20/README.pdfium
@@ -10,16 +10,17 @@ JPEG 2000 library.
 Local Modifications:
 
 0000-use-colorspace.patch: Makes it possible to not call opj_jp2_apply_pclr().
-0001-image-data.patch: Fix a crashier in opj_j2k_update_image_data().
+0001-image-data.patch: Fix a crasher in opj_j2k_update_image_data().
 0002-packet-iterator.patch: Fix integer overflow in opj_pi_create_decode().
 0003-dwt-decode.patch: Check array bounds for opj_dwt_decode_1() and friends.
 0004-j2k_read_mcc.patch: Move incrementing of l_tcp->m_nb_mcc_records to the right place.
 0005-jp2_apply_pclr.patch: Fix out of bounds access.
-0006-tcd_init_tile.patch: Fix a dividing zero bug in opj_tcd_init_tile().
+0006-tcd_init_tile.patch: Fix a divide by zero bug in opj_tcd_init_tile().
 0007-jp2_read_cmap.patch: Fix wrong rendering on greyscale images with index colorspace.
 0008-jp2_check_color.patch: Replace an assertion with returning false.
 0009-opj_pi_next.patch: Fix potential bad precno value in opj_pi_next* functions.
 0010-pi_update_decode_poc.patch: Set proper upper bound for an array in opj_pi_update_decode_poc().
 0011-j2k_update_image_data.patch: Prevent bad signed -> unsigned casting.
 0012-mct_sse.patch: Don't use SSE intrinsics in 32-bit builds.
+0013-attrib_fix.patch: Don't needlessly redefine __attribute__, https://github.com/uclouvain/openjpeg/issues/727
 TODO(thestig): List all the other patches.