Minor, fix test data

compiler/testData/diagnostics/tests/multiplatform/enum/constructorInHeaderEnum.txt

@@ -19,3 +19,19 @@ public final header enum class En : kotlin.Enum<En> {
     public final /*synthesized*/ fun valueOf(/*0*/ value: kotlin.String): En
     public final /*synthesized*/ fun values(): kotlin.Array<En>
 }
+
+public final header enum class En2 : kotlin.Enum<En2> {
+    enum entry E1
+
+    public final override /*1*/ /*fake_override*/ val name: kotlin.String
+    public final override /*1*/ /*fake_override*/ val ordinal: kotlin.Int
+    protected final override /*1*/ /*fake_override*/ fun clone(): kotlin.Any
+    public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: En2): kotlin.Int
+    public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    // Static members
+    public final /*synthesized*/ fun valueOf(/*0*/ value: kotlin.String): En2
+    public final /*synthesized*/ fun values(): kotlin.Array<En2>
+}