Guard trust kit initialization with dispatch_once()
Guard trust kit initialization with dispatch_once()

FredericJacobs/TrustKit,datatheorem/TrustKit,datatheorem/TrustKit,FredericJacobs/TrustKit,CedarLogic/TrustKit,CedarLogic/TrustKit,FredericJacobs/TrustKit,datatheorem/TrustKit,CedarLogic/TrustKit,datatheorem/TrustKit