Path: new class "Path" wraps filesystem path strings

src/db/SimpleDatabasePlugin.hxx

@@ -21,17 +21,17 @@
 #define MPD_SIMPLE_DATABASE_PLUGIN_HXX
 
 #include "DatabasePlugin.hxx"
+#include "Path.hxx"
 #include "gcc.h"
 
 #include <cassert>
-#include <string>
 
 #include <time.h>
 
 struct Directory;
 
 class SimpleDatabase : public Database {
-	std::string path;
+	Path path;
 
 	Directory *root;
 
@@ -41,6 +41,9 @@ class SimpleDatabase : public Database {
 	unsigned borrowed_song_count;
 #endif
 
+	SimpleDatabase()
+		:path(Path::Null()) {}
+
 public:
 	gcc_pure
 	Directory *GetRoot() {