[corlib] Add missing public type

diff --git a/mcs/class/corlib/corlib.dll.sources b/mcs/class/corlib/corlib.dll.sources
index e9544e781b209caa746ec769c131296834596799..f1699d90174854b112465eb66a4685eaafe7caa3 100644 (file)
--- a/mcs/class/corlib/corlib.dll.sources
+++ b/mcs/class/corlib/corlib.dll.sources
@@ -1590,6 +1590,7 @@ ReferenceSources/MessageDictionary.cs
 ../../../external/referencesource/mscorlib/system/text/stringbuildercache.cs
 
 ../../../external/referencesource/mscorlib/system/runtime/serialization/deserializationeventhandler.cs
+../../../external/referencesource/mscorlib/system/runtime/serialization/formatter.cs
 ../../../external/referencesource/mscorlib/system/runtime/serialization/formatterconverter.cs
 ../../../external/referencesource/mscorlib/system/runtime/serialization/formatterservices.cs
 ../../../external/referencesource/mscorlib/system/runtime/serialization/ideserializationcallback.cs