Constant libgit2_sys::GIT_ERROR_CHECKOUT

pub const GIT_ERROR_CHECKOUT: git_error_t = 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1
    + 1; // 20u32