UBT error:Failed to produce item: UE4Editor-OculusRift.dll

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24>ERROR : UBT error : Failed to produce item: C:\UnrealEngine-4.4\Engine\Plugins\OculusRift\Binaries\Win64\UE4Editor-OculusRift.dll

I tried switching to 4.4 source this morning but im not sure if it is because i have 56k atm and the download could have corrupted or something else entirely but this is the only thing fails when compiling in the new source.

Updating the to the 4.4.3 hotfix solved it.