Add a fuzzer for the SSL_CTX API.

This is not a complete fuzzer, even for SSL_CTX, but it's a start.

Written in memory of c-ares[1].

[1] https://twitter.com/hanno/status/781506296906444800

Change-Id: I64b02c60f35b9057201df2cc325ebb7a84a0229d
Reviewed-on: https://boringssl-review.googlesource.com/11423
Reviewed-by: Adam Langley <alangley@gmail.com>
Commit-Queue: Adam Langley <alangley@gmail.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
diff --git a/fuzz/ssl_ctx_api_corpus/d0d56203334c4cf5bfeb59ec8d5a8dd4dbc3511d b/fuzz/ssl_ctx_api_corpus/d0d56203334c4cf5bfeb59ec8d5a8dd4dbc3511d
new file mode 100644
index 0000000..4e77e24
--- /dev/null
+++ b/fuzz/ssl_ctx_api_corpus/d0d56203334c4cf5bfeb59ec8d5a8dd4dbc3511d
@@ -0,0 +1,2 @@
+:¶;n[o3:6n:¶;no3:¶n~noo!;Ž—on'*nz);GŽ*—;GŽ*—zz('7*¶no;Gn!;;[nG|n7{nonŽ*—#z'z'·*¨;'(¨'¹×'·(;nnz'o×(*¨;!n
+;no;[Go|n*
\ No newline at end of file