Fix guarding macro in include/internal/sockets.h
The guard was checked but never defined.  Also, rename it to reflect
that this is an internal header file, not a public one.
*/
-#ifndef HEADER_OPENSSL_SOCKETS
+#ifndef HEADER_INTERNAL_SOCKETS
+# define HEADER_INTERNAL_SOCKETS
# if defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_UEFI)
# define NO_SYS_PARAM_H
@@ -125,8 +126,6 @@ struct servent *PASCAL getservbyname(const char *, const char *);
# endif
# endif
-#endif
-
# define get_last_socket_error() errno
# define clear_socket_error() errno=0
@@ -160,3 +159,4 @@ struct servent *PASCAL getservbyname(const char *, const char *);
# define writesocket(s,b,n) write((s),(b),(n))
# endif
+#endif
