Fix SkinSelectors.ToString. (2)

Assets/Cryville/Crtr/SkinSelectors.cs

@@ -24,7 +24,7 @@ namespace Cryville.Crtr {
 			string r = "";
 			foreach (var a in annotations) {
 				if (flag) r += " @" + a;
-				else { r += a; flag = true; }
+				else { r += "@" + a; flag = true; }
 			}
 			foreach (var s in selectors) {
 				if (flag) r += " " + s.ToString();