Fix 64-bit truncation in SPTPersistentDataCacheTests
Fix 64-bit truncation in SPTPersistentDataCacheTests

chrisbtreats/SPTPersistentCache,iOSCowboy/SPTPersistentCache,spotify/SPTPersistentCache,spotify/SPTPersistentCache,spotify/SPTPersistentCache,FootballAddicts/SPTPersistentCache,iOSCowboy/SPTPersistentCache,chrisbtreats/SPTPersistentCache,chrisbtreats/SPTPersistentCache,chrisbtreats/SPTPersistentCache,iOSCowboy/SPTPersistentCache,FootballAddicts/SPTPersistentCache,FootballAddicts/SPTPersistentCache,FootballAddicts/SPTPersistentCache