shell/ccnl: use new CS add method

sys/shell/commands/sc_ccnl.c

@@ -130,8 +130,12 @@ int _ccnl_content(int argc, char **argv)
     struct ccnl_content_s *c = 0;
     struct ccnl_pkt_s *pk = ccnl_ndntlv_bytes2pkt(typ, olddata, &data, &arg_len);
     c = ccnl_content_new(&pk);
-    ccnl_content_add2cache(&ccnl_relay, c);
     c->flags |= CCNL_CONTENT_FLAGS_STATIC;
+    msg_t m = { .type = CCNL_MSG_CS_ADD, .content.ptr = c };
+
+    if(msg_send(&m, ccnl_event_loop_pid) < 1){
+        puts("could not add content");
+    }
 
     return 0;
 }