games/sdlpop: fix data directory patch

After installing games/sdlpop from ports game cannot find its resources and shows next banner after start.

```
Cannot find a required data file:
     IBM_SND1.DAT or folder:
         data/IBM_SND1
     Press any key to quit.
```

Proposed fix updates existing `files/patch-seg009.c` patch to fix the issue.

PR:	279161