Fix a usage of combine that didn't get updated.
Fix a usage of combine that didn't get updated.

likangning93/cesium,AnalyticalGraphicsInc/cesium,CesiumGS/cesium,denverpierce/cesium,wallw-bits/cesium,kiselev-dv/cesium,likangning93/cesium,omh1280/cesium,emackey/cesium,CesiumGS/cesium,wallw-bits/cesium,jason-crow/cesium,hodbauer/cesium,soceur/cesium,soceur/cesium,josh-bernstein/cesium,YonatanKra/cesium,esraerik/cesium,NaderCHASER/cesium,AnalyticalGraphicsInc/cesium,likangning93/cesium,aelatgt/cesium,esraerik/cesium,ggetz/cesium,AnimatedRNG/cesium,emackey/cesium,denverpierce/cesium,jason-crow/cesium,ggetz/cesium,likangning93/cesium,geoscan/cesium,geoscan/cesium,esraerik/cesium,oterral/cesium,kiselev-dv/cesium,omh1280/cesium,YonatanKra/cesium,jasonbeverage/cesium,omh1280/cesium,jason-crow/cesium,hodbauer/cesium,emackey/cesium,AnimatedRNG/cesium,CesiumGS/cesium,likangning93/cesium,NaderCHASER/cesium,progsung/cesium,CesiumGS/cesium,soceur/cesium,wallw-bits/cesium,kiselev-dv/cesium,omh1280/cesium,denverpierce/cesium,progsung/cesium,kaktus40/cesium,YonatanKra/cesium,jason-crow/cesium,hodbauer/cesium,kiselev-dv/cesium,NaderCHASER/cesium,emackey/cesium,aelatgt/cesium,oterral/cesium,josh-bernstein/cesium,ggetz/cesium,esraerik/cesium,jasonbeverage/cesium,ggetz/cesium,AnimatedRNG/cesium,aelatgt/cesium,YonatanKra/cesium,denverpierce/cesium,kaktus40/cesium,wallw-bits/cesium,oterral/cesium,AnimatedRNG/cesium,CesiumGS/cesium,aelatgt/cesium