null ref fix as noted in the UIAutomation test failures on iOS (#1092)
null ref fix as noted in the UIAutomation test failures on iOS (#1092)


AzureAD/microsoft-authentication-library-for-dotnet,AzureAD/microsoft-authentication-library-for-dotnet,AzureAD/microsoft-authentication-library-for-dotnet,AzureAD/microsoft-authentication-library-for-dotnet