enum already has 96

[Sparika]

I'm having the following issue compiling for android arm64-v8a with the following line:

CC_aarch64_linux_android=/home/kcorre/Android/Sdk/ndk/21.0.6113669/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android21-clang \
AR_aarch64_linux_android=/home/kcorre/Android/Sdk/ndk/21.0.6113669/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android-ar \
cargo build --target aarch64-linux-android

Compiling sysconf v0.3.4
error[E0081]: discriminant value `96` already exists
  --> /home/kcorre/.cargo/registry/src/github.com-1ecc6299db9ec823/sysconf-0.3.4/src/raw.rs:83:19
   |
20 | macro_rules! sc { ($var:ident) => (libc::$var as isize) }
   |                                    ------------------- first use of `96`
...
83 |     Sc2CVersion = 96, // TODO(joshlf): Switch to a libc constant once it's added
   |                   ^^ enum already has `96`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0081`.
error: could not compile `sysconf`.

sysconf.rs/src/raw.rs

Line 83 in 1305139

Sc2CVersion = 96, // TODO(joshlf): Switch to a libc constant once it's added