Minor whitespace fix in runtime_params.rs

src/runtime_params.rs

@@ -87,7 +87,7 @@ impl Default for Cli {
  _ if image_path.is_none() => image_path = Some(word),
  word => warn!(
  "Found argument '{word}' which wasn't expected, or isn't valid in this context
- 
+
  If you tried to supply `{word}` as a value rather than a flag, use `-- {word}`"
  ),
  };