Array_null and List_null

src/collections/List.c

@@ -2,7 +2,7 @@
 
 List_ List_alloc_size(u32 initial_size){
     if(initial_size == 0)
-        return List_construct_size(NULL, 0, 0);
+        return List_null;
     u32 allocated_size = ALIGN_TO(initial_size, sizeof(void*));
     return List_construct_size(malloc(allocated_size), 0, allocated_size);
 }