Remove extra semicolon in contrib/lib/protobuf patches

contrib/libs/protobuf/src/google/protobuf/json_util.h

@@ -23,7 +23,7 @@ template<class T>
 inline IOutputStream& operator <<(IOutputStream& stream, const TAsJSON<T>& protoAsJSON) {
     protoAsJSON.T_.PrintJSON(stream);
     return stream;
-};
+}
 
 }
 }

contrib/libs/protobuf/src/google/protobuf/stubs/common.h

@@ -201,7 +201,7 @@ using string = TProtoStringType;
 namespace NProtoBuf {
   using namespace google;
   using namespace google::protobuf;
-};
+}
 
 #include <google/protobuf/port_undef.inc>