cli: fix macos build (microsoft#185401)

Author: connor4312

cli/src/util/zipper.rs

@@ -88,7 +88,13 @@ where
 			use std::io::Read;
 			use std::os::unix::ffi::OsStringExt;
 
-			if matches!(file.unix_mode(), Some(mode) if mode & S_IFLNK == S_IFLNK) {
+			#[cfg(target_os = "macos")]
+			const S_IFLINK_32: u32 = S_IFLNK as u32;
+
+			#[cfg(target_os = "linux")]
+			const S_IFLINK_32: u32 = S_IFLNK;
+
+			if matches!(file.unix_mode(), Some(mode) if mode & S_IFLINK_32 == S_IFLINK_32) {
 				let mut link_to = Vec::new();
 				file.read_to_end(&mut link_to).map_err(|e| {
 					wrap(