Actually add AES-192-OFB.

I forgot about this file.

Change-Id: Icb98ffe3ed682a80d7a809a4585a5537fed0ba1c
Reviewed-on: https://boringssl-review.googlesource.com/29284
Reviewed-by: Steven Valdez <svaldez@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
diff --git a/crypto/cipher_extra/cipher_extra.c b/crypto/cipher_extra/cipher_extra.c
index 2b88fb6..1b23ad3 100644
--- a/crypto/cipher_extra/cipher_extra.c
+++ b/crypto/cipher_extra/cipher_extra.c
@@ -125,6 +125,8 @@
     return EVP_aes_256_gcm();
   } else if (OPENSSL_strcasecmp(name, "aes-128-ofb") == 0) {
     return EVP_aes_128_ofb();
+  } else if (OPENSSL_strcasecmp(name, "aes-192-ofb") == 0) {
+    return EVP_aes_192_ofb();
   } else if (OPENSSL_strcasecmp(name, "aes-256-ofb") == 0) {
     return EVP_aes_256_ofb();
   }