REORG: include: move ssl_sock.h to haproxy/ssl_sock{,-t}.h

Almost nothing changed, just moved a static inline at the end and moved
an export from the types to the main file.
diff --git a/src/ssl_sample.c b/src/ssl_sample.c
index 8314f3d..70b35b2 100644
--- a/src/ssl_sample.c
+++ b/src/ssl_sample.c
@@ -26,13 +26,11 @@
 #include <haproxy/obj_type.h>
 #include <haproxy/openssl-compat.h>
 #include <haproxy/sample.h>
+#include <haproxy/ssl_sock.h>
 #include <haproxy/ssl_utils.h>
 #include <haproxy/tools.h>
 
-#include <types/ssl_sock.h>
-
 #include <haproxy/arg.h>
-#include <proto/ssl_sock.h>
 
 
 /***** Below are some sample fetching functions for ACL/patterns *****/