Fix compilation on GCC 4.8 because of lack of std::max_align_t
Fix compilation on GCC 4.8 because of lack of std::max_align_t

jt70471/aws-sdk-cpp,cedral/aws-sdk-cpp,cedral/aws-sdk-cpp,aws/aws-sdk-cpp,aws/aws-sdk-cpp,jt70471/aws-sdk-cpp,cedral/aws-sdk-cpp,JoyIfBam5/aws-sdk-cpp,JoyIfBam5/aws-sdk-cpp,jt70471/aws-sdk-cpp,cedral/aws-sdk-cpp,cedral/aws-sdk-cpp,cedral/aws-sdk-cpp,JoyIfBam5/aws-sdk-cpp,awslabs/aws-sdk-cpp,awslabs/aws-sdk-cpp,aws/aws-sdk-cpp,JoyIfBam5/aws-sdk-cpp,aws/aws-sdk-cpp,awslabs/aws-sdk-cpp,jt70471/aws-sdk-cpp,aws/aws-sdk-cpp,jt70471/aws-sdk-cpp,jt70471/aws-sdk-cpp,awslabs/aws-sdk-cpp,JoyIfBam5/aws-sdk-cpp,JoyIfBam5/aws-sdk-cpp,aws/aws-sdk-cpp