core: explicit cast to (void*) for %p format printing

- c standard required that for a defined value and in some cases the
code analysers complain, especially when reading the value via
socket/file descriptor

src/core/async_task.c

@@ -277,8 +277,8 @@ int async_task_run(int idx)
 			continue;
 		}
 		if(ptask->exec!=NULL) {
-			LM_DBG("task executed [%p] (%p/%p)\n", ptask,
-					ptask->exec, ptask->param);
+			LM_DBG("task executed [%p] (%p/%p)\n", (void*)ptask,
+					(void*)ptask->exec, (void*)ptask->param);
 			ptask->exec(ptask->param);
 		}
 		shm_free(ptask);

src/core/tcp_main.c

@@ -3606,7 +3606,7 @@ inline static int handle_tcp_child(struct tcp_child* tcp_c, int fd_i)
 							_wbufq_non_empty(tcpconn) )){
 				if (unlikely(TICKS_GE(t, tcpconn->wbuf_q.wr_timeout))){
 					LM_DBG("wr. timeout on CONN_RELEASE for %p refcnt= %d\n",
-							tcpconn, atomic_get(&tcpconn->refcnt));
+							(void*)tcpconn, atomic_get(&tcpconn->refcnt));
 					/* timeout */
 					if (unlikely(tcpconn->state==S_CONN_CONNECT)){
 #ifdef USE_DST_BLACKLIST