Fix server variable.
Fix server variable.

zhm/tilestream,HydroLogic/tilestream,mapbox/tilestream,staltz/tilestream,markng/tilestream,zhm/tilestream,NolaMark/tilestream,simonpoole/tilestream,makinacorpus/tilestream,makinacorpus/tilestream,simonpoole/tilestream,HydroLogic/tilestream,frankrowe/tilestream,frankrowe/tilestream,markng/tilestream,NolaMark/tilestream,mapbox/tilestream,staltz/tilestream