Fix a doxygen reference due to badly-placed group ending.
Fix a doxygen reference due to badly-placed group ending.

kneitinger/liblo,johne53/MB3Liblo,tuscland/liblo,radarsat1/liblo,johne53/MB3Liblo,island-org/liblo,tuscland/liblo,umlaeute/liblo,radarsat1/liblo,umlaeute/liblo,island-org/liblo,kneitinger/liblo,fsateler/liblo,umlaeute/liblo,johne53/MB3Liblo,johne53/MB3Liblo,island-org/liblo,fsateler/liblo,tuscland/liblo,fsateler/liblo,kneitinger/liblo,radarsat1/liblo