fix 'make clean' broken by testsuite/tests/afl-instrumentation
fix 'make clean' broken by testsuite/tests/afl-instrumentation

Should the "clean: defaultclean" default rule be part of
  testsuite/makefiles/Makefile.common
?

gerdstolpmann/ocaml,gerdstolpmann/ocaml,gerdstolpmann/ocaml,gerdstolpmann/ocaml,gerdstolpmann/ocaml