Fix Windows CI toolchain

.github/workflows/ci.yml

@@ -86,6 +86,7 @@ jobs:
           toolchain: stable
           override: true
           profile: minimal
+          components: rustfmt, clippy
 
       - name: Check formatting
         run: cargo fmt -- --check

libmarlin/src/utils.rs

@@ -77,4 +77,3 @@ pub fn to_db_path<P: AsRef<Path>>(p: P) -> String {
         s.into_owned()
     }
 }
-