windows fix and typo

Author: zelosleone

src/packaging/metadata.rs

@@ -194,11 +194,13 @@ fn rewrite_binary_prefix(
             search_start = pos + 1;
         }
 
+        mmap.flush()?;
         Ok(())
     }
 
     #[cfg(target_family = "windows")]
     {
+        let _ = (file_path, old_prefix, new_prefix);
         Err(PackagingError::IoError(io::Error::new(
             ErrorKind::Unsupported,
             "Binary prefix replacement is not supported on Windows",

src/types/build_output.rs

@@ -24,7 +24,7 @@ use crate::{
     types::{BuildConfiguration, BuildSummary, PlatformWithVirtualPackages},
 };
 
-/// A output. This is the central element that is passed to the `run_build`
+/// An output. This is the central element that is passed to the `run_build`
 /// function and fully specifies all the options and settings to run the build.
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct BuildOutput {