Align the SSL stack on #include style.

ssl.h should be first. Also two lines after includes and the rest of the
file.

Change-Id: Icb7586e00a3e64170082c96cf3f8bfbb2b7e1611
Reviewed-on: https://boringssl-review.googlesource.com/5892
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/ssl/d1_meth.c b/ssl/d1_meth.c
index 859818f..d54a037 100644
--- a/ssl/d1_meth.c
+++ b/ssl/d1_meth.c
@@ -55,6 +55,8 @@
  * (eay@cryptsoft.com).  This product includes software written by Tim
  * Hudson (tjh@cryptsoft.com). */
 
+#include <openssl/ssl.h>
+
 #include "internal.h"