Disable __attribute__ for msvc (did not check if it actually works)
Disable __attribute__ for msvc (did not check if it actually works)

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