ensure gadget binary field data are in native endianness #2120
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Some low-level routines (in the test case in the bug report it was the selection machinery) expect raw field data from the low-level I/O routines to be in native byte order. However, here we're reading bigendian data and pass it directly to those low-level routines. This breaks on little endian architectures.
The fix is to ensure the data are in native byte order after we read it in.
Ping @weiguangcui and maybe @matthewturk to look this over?