Roll forward 6a85e9a6

6a85e9a6a96a43c61a48b53549878b392ddbd1bf rolled back
a4527c359a8e385b5582409a30961ca07845b15d "Update seed_corpora.txt".

The oss-fuzz build should be fixed by:
https://github.com/google/oss-fuzz/pull/3763
diff --git a/fuzz/c/std/seed_corpora.txt b/fuzz/c/std/seed_corpora.txt
index be03ddf..3ecc866 100644
--- a/fuzz/c/std/seed_corpora.txt
+++ b/fuzz/c/std/seed_corpora.txt
@@ -17,7 +17,7 @@
 bmp:    test/data/*.bmp   ../bmpsuite_corpus/*.bmp
 gif:    test/data/*.gif   test/data/artificial/*.gif
 gzip:   test/data/*.gz    test/data/artificial/*.gz
-json:   test/data/*.json  ../rapidjson_corpus/*  ../JSONTestSuite/test_*/*.json
+json:   test/data/*.json  ../rapidjson_corpus/*  ../simdjson_corpus/*  ../JSONTestSuite/test_*/*.json
 png:    test/data/*.png   ../pngsuite_corpus/*.png
 wbmp:   test/data/*.wbmp
 zlib:   test/data/*.zlib