ovr_Challenges_DeclineInvite Function

If the current user has an invite to the challenge, decline the invite

A message with type ovrMessage_Challenges_DeclineInvite will be generated in response.

First call ovr_Message_IsError() to check if an error occurred.

If no error occurred, the message will contain a payload of type ovrChallengeHandle. Extract the payload from the message handle with ovr_Message_GetChallenge().

ovrRequest ovr_Challenges_DeclineInvite(ovrID challengeID)