Change: Add usage_type parameter to GMP get_reports.

get_reports can now be used to get a report by its usage
type (scan/audit).

src/gsad_gmp.c

@@ -8331,12 +8331,13 @@ char *
 get_reports_gmp (gvm_connection_t *connection, credentials_t *credentials,
                  params_t *params, cmd_response_data_t *response_data)
 {
-  const gchar *filter, *filter_id, *details;
+  const gchar *filter, *filter_id, *details, *usage_type;
   gmp_arguments_t *arguments;
 
   filter = params_value (params, "filter");
   filter_id = params_value (params, "filter_id");
   details = params_value (params, "details");
+  usage_type = params_value (params, "usage_type");
 
   arguments = gmp_arguments_new ();
 
@@ -8364,6 +8365,10 @@ get_reports_gmp (gvm_connection_t *connection, credentials_t *credentials,
     {
       gmp_arguments_add (arguments, "details", details);
     }
+  if (usage_type)
+    {
+      gmp_arguments_add (arguments, "usage_type", usage_type);
+    }
 
   params_remove (params, "filter");
   params_remove (params, "filter_id");