REORG: ssl: move the ckch structures to types/ssl_ckch.h

Move all the structures used for loading the SSL certificates in
ssl_ckch.h
diff --git a/include/proto/ssl_sock.h b/include/proto/ssl_sock.h
index 0751f70..1fa3973 100644
--- a/include/proto/ssl_sock.h
+++ b/include/proto/ssl_sock.h
@@ -34,6 +34,8 @@
 
 extern int sslconns;
 extern int totalsslconns;
+extern struct global_ssl global_ssl;
+extern struct ssl_bind_kw ssl_bind_kws[];
 
 /* boolean, returns true if connection is over SSL */
 static inline