Copy license-file into package if outside of root.

Author: ehuss

src/cargo/core/package.rs

@@ -203,7 +203,10 @@ impl Package {
     }
 
     pub fn to_registry_toml(&self, config: &Config) -> CargoResult<String> {
-        let manifest = self.manifest().original().prepare_for_publish(config)?;
+        let manifest = self
+            .manifest()
+            .original()
+            .prepare_for_publish(config, self.root())?;
         let toml = toml::to_string(&manifest)?;
         Ok(format!(
             "# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO\n\