FileSystem: Add FIXME about resolve_path bug

Author: https://github.com/rok-povsic
Commit: https://github.com/SerenityOS/serenity/commit/eb9ccf1c0a6
Pull-request: https://github.com/SerenityOS/serenity/pull/473
Reviewed-by: https://github.com/awesomekling
Reviewed-by: https://github.com/bugaevc

Kernel/FileSystem/VirtualFileSystem.cpp

@@ -637,6 +637,9 @@ Custody& VFS::root_custody()
 
 KResultOr<NonnullRefPtr<Custody>> VFS::resolve_path(StringView path, Custody& base, RefPtr<Custody>* parent_custody, int options)
 {
+    // FIXME: resolve_path currently doesn't deal with .. and . . If path is ../. and base is /home/anon, it returns
+    //        /home/anon/../. instead of /home .
+
     if (path.is_empty())
         return KResult(-EINVAL);