Logs error with mapserver 7

With Mapserver 7.0, I always have this in logs tab.  But map still respond!

```
Scribe interpreter: Success
Content-Type: text/html

msCGILoadMap(): Web application error. CGI variable "map" is not set.

Errors: 
msCGILoadMap(): Web application error. CGI variable "map" is not set.
```
