[PATCH] configure.ac: Set -DBAD_FTS=1 also for CXXFLAGS.

[Mark Wielaard]

On Sat, 2020-07-18 at 01:56 +0200, Mark Wielaard wrote:
> debuginfod.cxx checks whether or not BAD_FTS is defined.
> This only matters on old 32bit arches.

Pushed to master.