Fix rebase breakage

Author: odersky

project/MiMaFilters.scala

@@ -76,7 +76,7 @@ object MiMaFilters {
     val ForwardsBreakingChanges: Map[String, Seq[ProblemFilter]] = Map(
       // Additions that require a new minor version of tasty core
       Build.previousDottyVersion -> Seq(
-        ProblemFilters.exclude[DirectMissingMethodProblem]("dotty.tools.tasty.TastyFormat.FLEXIBLEtype")
+        ProblemFilters.exclude[DirectMissingMethodProblem]("dotty.tools.tasty.TastyFormat.FLEXIBLEtype"),
         ProblemFilters.exclude[DirectMissingMethodProblem]("dotty.tools.tasty.TastyFormat.TRACKED"),
       ),