qa/511: dodge bad xml from sadf
qa/511: dodge bad xml from sadf

Some combinations of binary data files and sadf version on some
platforms conspire to generate badly formed XML ... detect and
handle these cases in the test.

prasincs/pcp,andyvand/cygpcpfans,andyvand/cygpcpfans,tjanez/pcp,aeg-aeg/pcpfans,adfernandes/pcp,adfernandes/pcp,wuliming/pcp,mbaldessari/pcp,adfernandes/pcp,aeg-aeg/pcpfans,wuliming/pcp,adfernandes/pcp,edwardt/pcp,prasincs/pcp,tjanez/pcp,mbaldessari/pcp,aeg-aeg/pcpfans,adfernandes/pcp,andyvand/cygpcpfans,andyvand/cygpcpfans,mbaldessari/pcp,prasincs/pcp,edwardt/pcp,edwardt/pcp,wuliming/pcp,andyvand/cygpcpfans,edwardt/pcp,adfernandes/pcp,aeg-aeg/pcpfans,andyvand/cygpcpfans,prasincs/pcp,edwardt/pcp,tjanez/pcp,wuliming/pcp,mbaldessari/pcp,prasincs/pcp,wuliming/pcp,mbaldessari/pcp,aeg-aeg/pcpfans,andyvand/cygpcpfans,aeg-aeg/pcpfans,adfernandes/pcp,tjanez/pcp,tjanez/pcp,wuliming/pcp,adfernandes/pcp,edwardt/pcp,tjanez/pcp,wuliming/pcp,mbaldessari/pcp,tjanez/pcp,andyvand/cygpcpfans,tjanez/pcp,prasincs/pcp,aeg-aeg/pcpfans,edwardt/pcp,prasincs/pcp,prasincs/pcp,edwardt/pcp,aeg-aeg/pcpfans,wuliming/pcp