cmake HAVE_NL_TYPES_H examples

apache/xerces-c cmake/XercesIncludes.cmake :34 

check_include_file_cxx(nl_types.h                  HAVE_NL_TYPES_H)

amule-project/amule cmake/nls.cmake :22 

check_include_file (nl_types.h HAVE_NL_TYPES_H)