Unexpose the generic ex_data functions.

Callers are required to use the wrappers now. They still need OPENSSL_EXPORT
since crypto and ssl get built separately in the standalone shared library
build.

Change-Id: I61186964e6099b9b589c4cd45b8314dcb2210c89
Reviewed-on: https://boringssl-review.googlesource.com/4372
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index f8e9bab..257ffbc 100644
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -152,6 +152,8 @@
 #include <openssl/x509v3.h>
 
 #include "internal.h"
+#include "../crypto/internal.h"
+
 
 /* Some error codes are special. Ensure the make_errors.go script never
  * regresses this. */
diff --git a/ssl/ssl_sess.c b/ssl/ssl_sess.c
index 2f8ca7f..de210f5 100644
--- a/ssl/ssl_sess.c
+++ b/ssl/ssl_sess.c
@@ -142,6 +142,8 @@
 #include <openssl/rand.h>
 
 #include "internal.h"
+#include "../crypto/internal.h"
+
 
 /* The address of this is a magic value, a pointer to which is returned by
  * SSL_magic_pending_session_ptr(). It allows a session callback to indicate