error in generated file bin/opencog/nlp/types/atom_types.h

[ 33%] Building CXX object opencog/nlp/types/CMakeFiles/nlp-types.dir/NLPTypes.cc.o
In file included from /home/dhart/opencog/bin/opencog/nlp/types/atom_types.definitions:5:0,
                 from /home/dhart/opencog/opencog/nlp/types/NLPTypes.cc:9:
/home/dhart/opencog/bin/opencog/nlp/types/atom_types.h:6:1: error: expected declaration before ‘}’ token
make[2]: *** [opencog/nlp/types/CMakeFiles/nlp-types.dir/NLPTypes.cc.o] Error 1
make[1]: *** [opencog/nlp/types/CMakeFiles/nlp-types.dir/all] Error 2
make: *** [all] Error 2

Contents of file:

/* File automatically generated by the macro OPENCOG_ADD_ATOM_TYPES. Do not edit */
#include <opencog/atomspace/types.h>
namespace opencog
{
} // namespace opencog
} // namespace opencog