[PATCH] THRIFT-5322: Guard against large string/binary lengths in Go

[PATCH] THRIFT-5322: Guard against large string/binary lengths in Go

Client: go

In TBinaryProtocol.ReadString, TBinaryProtocol.ReadBinary,
TCompactProtocol.ReadString, and TCompactProtocol.ReadBinary, use
safeReadBytes to prevent from large allocation on malformed sizes.

    $ go test -bench=SafeReadBytes -benchmem
    BenchmarkSafeReadBytes/normal-12                  625057              1789 ns/op            2176 B/op          5 allocs/op
    BenchmarkSafeReadBytes/max-askedSize-12           545271              2236 ns/op           14464 B/op          7 allocs/op
    PASS

Gbp-Pq: Name THRIFT-5322.patch