Add byte order hint to PEF uncompressed.
Add byte order hint to PEF uncompressed.

mgehre/rawspeed,LebedevRI/rawspeed,anarsoul/rawspeed,darktable-org/rawspeed,klauspost/rawspeed,anarsoul/rawspeed,LebedevRI/rawspeed,anarsoul/rawspeed,mgehre/rawspeed,klauspost/rawspeed,darktable-org/rawspeed,LebedevRI/rawspeed,darktable-org/rawspeed,darktable-org/rawspeed,LebedevRI/rawspeed,LebedevRI/rawspeed,darktable-org/rawspeed