Fix canonicalization adding files with empty name

src/main.rs

@@ -227,6 +227,7 @@ fn main() -> Result<(), String> {
                 let denoted_files = output
                   .stdout
                   .split(|&b| b == b'\n') //split at line breaks
+                  .filter(|bytes| !bytes.is_empty()) //needed since realpath sometimes gives us empty lines
                   .map(|bytes| PathBuf::from(OsStr::from_bytes(bytes)))
                   .collect::<Vec<_>>();
 
@@ -236,6 +237,7 @@ fn main() -> Result<(), String> {
               .into_iter()
               .flatten()
               .collect();
+            log!(logger, debug, "canonical files: {files:?}");
           }
           ServerAddress::Localhost => files
             .iter()