mem_malloc type triviality checks (4/8)

```
git grep -l mem_malloc | xargs perl -i -lpe 's{\((\w+) \*\)mem_malloc\((\S+) \* sizeof\(\1\)\)}{mem_rmalloc<$1 *>($2)}'
```

editor/EPath.cpp

@@ -101,7 +101,7 @@ int AllocGamePath() {
       GamePaths[i].num_nodes = 0;
       GamePaths[i].flags = 0;
 
-      GamePaths[i].pathnodes = (node *)mem_malloc(MAX_NODES_PER_PATH * sizeof(node));
+      GamePaths[i].pathnodes = mem_rmalloc<node>(MAX_NODES_PER_PATH);
       mprintf(0, "Path %d got some\n", i);
 
       Num_game_paths++;