Fixed Bug# 1979 Output from h5ls -rdlS on nested compound datatypes is
difficult to parse.
Description:
Update to add curly brackets for the nested compound members, when
S (--simple) option is used with -l (--label), so user can tell
which members blong to which compound type.
Merged from hdf5 trunk r19751.
Tested:
jam (linux32-LE), amani (linux64-LE)
