Avoid #includ'ing cassert into lo namespace
Avoid #includ'ing cassert into lo namespace

The placement of #include <cassert> in the middle of the header
places any symbols declared into that namespace. This will break
anything which includes lo_cpp.h before including (possibly via
other headers) <cassert>, as the header guards against re-inclusion,
so anything expecting to find eg. __assert_fail in the global
namespace won't find it.

johne53/MB3Liblo,johne53/MB3Liblo,johne53/MB3Liblo,radarsat1/liblo,radarsat1/liblo,johne53/MB3Liblo,radarsat1/liblo