qa/738: handle single quote brain damange from ls(1)
qa/738: handle single quote brain damange from ls(1)

On increasingly more platforms (Ubuntu 16.04 this time), ls(1)
from coreutils is (historically) broken by adding gratuitous single
quotes around filenames, thanks to the silliness of the GNU team.

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp