windows fix

Author: zelosleone

src/cache.rs

@@ -13,7 +13,7 @@ use sha2::{Digest, Sha256};
 use crate::{
     env_vars,
     metadata::{Output, build_reindexed_channels},
-    packaging::{Files, contains_prefix_binary, contains_prefix_text, rewrite_prefix_in_file},
+    packaging::{Files, contains_prefix_text, rewrite_prefix_in_file},
     recipe::{
         Jinja,
         parser::{CacheOutput, CacheRequirements, Dependency, Requirements, RunExports, Source},
@@ -29,6 +29,9 @@ use crate::{
     tool_configuration::Configuration,
 };
 
+#[cfg(target_family = "unix")]
+use crate::packaging::contains_prefix_binary;
+
 /// Check if a file contains the prefix and determine if it's binary or text
 /// Returns (has_prefix, is_text)
 fn check_file_for_prefix(file_path: &Path, prefix: &Path) -> (bool, bool) {