www/elinks: Fix build with libressl

PR:		277720
Approved by:	jailbird@fdf.net (maintainer)

www/elinks/files/patch-src_network_ssl_ssl.c

@@ -0,0 +1,18 @@
+--- src/network/ssl/ssl.c.orig	2024-03-15 07:07:07 UTC
++++ src/network/ssl/ssl.c
+@@ -61,9 +61,15 @@ int socket_SSL_ex_data_idx = -1;
+ /** Prevent SSL_dup() if the SSL is associated with struct socket.
+  * We cannot copy struct socket and it doesn't have a reference count
+  * either.  */
++#ifdef LIBRESSL_VERSION_NUMBER
+ static int
++socket_SSL_ex_data_dup(CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from,
++		       WSK from_d, int idx, long argl, void *argp)
++#else
++static int
+ socket_SSL_ex_data_dup(CRYPTO_EX_DATA *to, const CRYPTO_EX_DATA *from,
+ 		       WSK from_d, int idx, long argl, void *argp)
++#endif
+ {
+ 	/* The documentation of from_d in RSA_get_ex_new_index(3)
+ 	 * is a bit unclear.  The caller does something like: