Fix typo

Author: johanmattssonm

libbirdfont/BirdFontFile.vala

@@ -466,7 +466,7 @@ class BirdFontFile : GLib.Object {
 		// FIXME: name etc.
 		os.put_string (@"\t\t<layer name= \"$(layer.name)\" visible=\"$(layer.visible)\">\n");
 
-		PathList all_path = layer.get_all_paths ();
+		PathList all_paths = layer.get_all_paths ();
 
 		foreach (Path p in all_paths.paths) {
 			data = get_point_data (p);