debugger: handle gdb.TYPE_CODE_FUNC as "generic" type

This seems not to have been used in the past.

Change-Id: I6e6ce80b8cdd1f20477cde2718e5283a886bb87a
Reviewed-by: Eike Ziller <eike.ziller@digia.com>
Reviewed-by: hjk <qthjk@ovi.com>

share/qtcreator/dumper/dumper.py

@@ -1652,6 +1652,7 @@ class Dumper:
 
         if type.code == MethodPointerCode \
                 or type.code == MethodCode \
+                or type.code == FunctionCode \
                 or type.code == MemberPointerCode:
             self.putType(typeName)
             self.putAddress(value.address)