Simplify filepath.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@1787 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CMY3DMeshFileLoader.cpp

@@ -86,6 +86,9 @@ IAnimatedMesh* CMY3DMeshFileLoader::createMesh(io::IReadFile* file)
 
 	// working directory (from which we load the scene)
 	core::stringc filepath = FileSystem->getFileDir(file->getFileName());
+	if (filepath==".")
+		filepath="";
+	else
 		filepath.append("/");
 
 	// read file into memory