moved grpc_library.cc moved out of codegen
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index 50ed2f6..7338ac5 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -812,6 +812,7 @@
 src/cpp/server/dynamic_thread_pool.h \
 src/cpp/server/thread_pool_interface.h \
 src/cpp/client/secure_credentials.cc \
+src/cpp/codegen/grpc_library.cc \
 src/cpp/common/auth_property_iterator.cc \
 src/cpp/common/secure_auth_context.cc \
 src/cpp/common/secure_channel_arguments.cc \