Fix windows build

PR #12767 accidentally broke it.

(cherry picked from commit 99041b4)

Author: Ericson2314

src/libstore/local-store.cc

@@ -213,7 +213,7 @@ LocalStore::LocalStore(
     state->stmts = std::make_unique<State::Stmts>();
 
     /* Create missing state directories if they don't already exist. */
-    createDirs(realStoreDir);
+    createDirs(realStoreDir.get());
     if (readOnly) {
         experimentalFeatureSettings.require(Xp::ReadOnlyLocalStore);
     } else {

src/libutil/file-system.cc

@@ -419,12 +419,12 @@ void createDir(const Path & path, mode_t mode)
         throw SysError("creating directory '%1%'", path);
 }
 
-void createDirs(const Path & path)
+void createDirs(const fs::path & path)
 {
     try {
         fs::create_directories(path);
     } catch (fs::filesystem_error & e) {
-        throw SysError("creating directory '%1%'", path);
+        throw SysError("creating directory '%1%'", path.string());
     }
 }
 

src/libutil/file-system.hh

@@ -171,12 +171,10 @@ void deletePath(const std::filesystem::path & path, uint64_t & bytesFreed);
 
 /**
  * Create a directory and all its parents, if necessary.
+ *
+ * Wrapper around `std::filesystem::create_directories` to handle exceptions.
  */
-void createDirs(const Path & path);
-inline void createDirs(PathView path)
-{
-    return createDirs(Path(path));
-}
+void createDirs(const std::filesystem::path & path);
 
 /**
  * Create a single directory.