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/f25375126a98ce742fd2018e88d7728b9986eff3 b/fuzz/ssl_ctx_api_corpus/f25375126a98ce742fd2018e88d7728b9986eff3
new file mode 100644
index 0000000..71891f2
--- /dev/null
+++ b/fuzz/ssl_ctx_api_corpus/f25375126a98ce742fd2018e88d7728b9986eff3
@@ -0,0 +1 @@
+¶)¶:njÙ;o':,jÙ':,';,,!DH'·*¨7'z@;;ot*:¶::'·*'(×(¶)¶:Ž;oGn—,,;!DH'z,H,!D'?·*¨''z@;;ot*:'¶::',+·*'(×kD(¶)oŽ:;n¶*—'z,,;DH,!kDHE'·*¨z'',4²@:¶GŽ¸*—¶)¶:nŒo¶)¶:no;Ž—)¶:no;GŽ*—:n'
\ No newline at end of file