Fix bad merge in ImmediateProgramSubtypingInfo

Change-Id: I0efb55c33810a0c47006967b9562a2f7aa6df2f4
diff --git a/src/main/java/com/android/tools/r8/graph/ImmediateProgramSubtypingInfo.java b/src/main/java/com/android/tools/r8/graph/ImmediateProgramSubtypingInfo.java
index 7895b61..c7c3344 100644
--- a/src/main/java/com/android/tools/r8/graph/ImmediateProgramSubtypingInfo.java
+++ b/src/main/java/com/android/tools/r8/graph/ImmediateProgramSubtypingInfo.java
@@ -58,7 +58,7 @@
   }
 
   public void forEachImmediateSuperClassMatching(
-      DexProgramClass clazz,
+      DexClass clazz,
       BiPredicate<? super DexType, ? super DexClass> predicate,
       BiConsumer<? super DexType, ? super DexClass> consumer) {
     clazz.forEachImmediateSupertype(