HTTP_Adapter: put HTTP config options into a record

The function f_http_init currently takes only two config options. For the
moment this is not a problem, but the amount of additional options may grow
in the future. So let's put the options in a record to have them separate.

Change-Id: I4c1c204ea38d76d5fdd7e539d56ca2bf9f693d7d
Related: SYS#6824
diff --git a/remsim/RemsimServer_Tests.ttcn b/remsim/RemsimServer_Tests.ttcn
index 6d2b27d..94529b2 100644
--- a/remsim/RemsimServer_Tests.ttcn
+++ b/remsim/RemsimServer_Tests.ttcn
@@ -68,7 +68,12 @@
 
 
 function f_rsres_init() runs on http_CT {
-	f_http_init(mp_server_ip, mp_rsres_port);
+	var HTTP_Adapter_Params http_adapter_pars;
+	http_adapter_pars := {
+		http_host := mp_server_ip,
+		http_port := mp_rsres_port
+	};
+	f_http_init(http_adapter_pars);
 	f_rsres_post_reset();
 }