minor fix

Author: nox213

tests/pos/i15784.scala

@@ -4,11 +4,11 @@ def case1 = List(42) match
   case List(_, rest @ _*) => rest
   case _ => ???
 
-def case3 = List(42) match
+def case2 = List(42) match
   case List(_, Rest @ _*) => Rest
   case _ => ???
 
-def case2 = List(42) match
+def case3 = List(42) match
   case List(_, `Rest` @ _*) => Rest
   case _ => ???