Oops, close the dir after listing it in ms0:/.

This was affecting some savedata modes, and showed up on tests.  Not sure
how it might've affected games, probably not much.

Core/FileSystems/VirtualDiscFileSystem.cpp

@@ -644,6 +644,7 @@ std::vector<PSPFileInfo> VirtualDiscFileSystem::GetDirListing(std::string path)
 			entry.startSector = fileList[fileIndex].firstBlock;
 		myVector.push_back(entry);
 	}
+	FindClose(hFind);
 #else
 	dirent *dirp;
 	std::string localPath = GetLocalPath(path);