Bug 1578883 - Expose some functions needed for Quic. r=keeler

Differential Revision: https://phabricator.services.mozilla.com/D44727

--HG--
extra : moz-landing-system : lando

security/nss.symbols

@@ -109,6 +109,7 @@ CERT_FreeNicknames
 CERT_GenTime2FormattedAscii_Util
 CERT_GetCertChainFromCert
 CERT_GetCertEmailAddress
+CERT_GetCertificateDer
 CERT_GetCertificateRequestExtensions
 CERT_GetCertKeyType
 CERT_GetCertTimes
@@ -414,6 +415,7 @@ PK11_PubWrapSymKey
 PK11_RandomUpdate
 PK11_ReadRawAttribute
 PK11_ReferenceSlot
+PK11_ReferenceSymKey
 PK11_ResetToken
 PK11SDR_Decrypt
 PK11SDR_Encrypt
@@ -638,6 +640,7 @@ SGN_DestroyDigestInfo_Util
 SGN_End
 SGN_NewContext
 SGN_Update
+SSL_AlertSentCallback
 SSL_AuthCertificateComplete
 SSL_AuthCertificateHook
 SSL_CipherPrefGet