Add missing mkdir calls to `cat/test/list.h` and `unzip/test/list.h`
invocations, making them consistent with the other rules. Otherwise,
the build fails when configured with `--disable-dependency-tracking`,
as configure does not create the directories automatically then.
bsdcat_test_LDADD=libarchive_fe.la
cat/test/list.h: Makefile
+ $(MKDIR_P) cat/test
cat $(top_srcdir)/cat/test/test_*.c | grep '^DEFINE_TEST' > cat/test/list.h
if BUILD_BSDCAT
bsdunzip_test_LDADD=libarchive_fe.la
unzip/test/list.h: Makefile
+ $(MKDIR_P) unzip/test
cat $(top_srcdir)/unzip/test/test_*.c | grep '^DEFINE_TEST' > unzip/test/list.h
if BUILD_BSDUNZIP