Fake amd64 RC4_options() output to avoid more intrusive patch.

Index: nse_openssl.cc
--- nse_openssl.cc.orig
+++ nse_openssl.cc
@@ -21,7 +21,7 @@
 #include <openssl/ripemd.h>
 #include <openssl/sha.h>
 
-#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && !defined LIBRESSL_VERSION_NUMBER
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L)
 #define HAVE_OPAQUE_STRUCTS 1
 #define FUNC_EVP_MD_CTX_init EVP_MD_CTX_reset
 #define FUNC_EVP_MD_CTX_cleanup EVP_MD_CTX_reset
@@ -545,7 +545,7 @@ static int l_DES_string_to_key(lua_State *L) /** DES_s
 #ifndef OPENSSL_NO_RC4
 static int l_rc4_options (lua_State *L)
 {
-  lua_pushstring(L, RC4_options());
+  lua_pushstring(L, "rc4(16x,int)");
   return 1;
 }