[CLN-list] Another compilation warning using gcc-4.8

/opt/local/include/cln/proplist.h:35:9: note: did you mean struct here? friend class cl_property_list; ^~~~~ struct -- David van der Spoel, Ph.D., Professor of Biology Dept. of Cell & Molec. Biol., Uppsala University. Box 596, 75124 Uppsala, Sweden. Phone: +46184714205. spoel@xray.bmc.uu.se http://folding.bmc.uu.se