Another AccessNull bug fix in Thrift

Reviewed By: yhishan


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@664895 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/compiler/cpp/src/generate/t_cpp_generator.cc b/compiler/cpp/src/generate/t_cpp_generator.cc
index 634f699..2f1cf29 100644
--- a/compiler/cpp/src/generate/t_cpp_generator.cc
+++ b/compiler/cpp/src/generate/t_cpp_generator.cc
@@ -766,7 +766,7 @@
     " public: " << endl;
   indent_up(); 
   f_header_ <<
-    indent() << "virtual ~" << service_name_ << "If() {}" << endl;
+    indent() << "virtual ~" << service_name_ << "Null() {}" << endl;
   vector<t_function*> functions = tservice->get_functions();
   vector<t_function*>::iterator f_iter; 
   for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {