Fix binexport_reader_test linker error
Fix binexport_reader_test linker error

Signed-off-by: Christian Blichmann <64f74475e4b4dcd49beccaa15e0fb76629e72aed@google.com>

google/binexport,cblichmann/binexport,google/binexport,google/binexport,cblichmann/binexport,cblichmann/binexport