remove unnecessary typecasting of malloc()

lib/llist.c

@@ -46,7 +46,7 @@ Curl_llist_alloc(curl_llist_dtor dtor)
 {
   struct curl_llist *list;
 
-  list = (struct curl_llist *)malloc(sizeof(struct curl_llist));
+  list = malloc(sizeof(struct curl_llist));
   if(NULL == list)
     return NULL;
 
@@ -62,8 +62,7 @@ int
 Curl_llist_insert_next(struct curl_llist *list, struct curl_llist_element *e,
                        const void *p)
 {
-  struct curl_llist_element *ne =
-    (struct curl_llist_element *) malloc(sizeof(struct curl_llist_element));
+  struct curl_llist_element *ne = malloc(sizeof(struct curl_llist_element));
   if(!ne)
     return 0;