libsubid: fix build with libcrack

Fixes a link failure:

  ../libsubid/.libs/libsubid.so: undefined reference to `FascistCheck'

Bug: https://bugs.gentoo.org/806124
Signed-off-by: Mike Gilbert <floppym@gentoo.org>

libsubid/Makefile.am

@@ -11,6 +11,7 @@ MISCLIBS = \
 	$(LIBAUDIT) \
 	$(LIBSELINUX) \
 	$(LIBSEMANAGE) \
+	$(LIBCRACK) \
 	$(LIBCRYPT_NOPAM) \
 	$(LIBSKEY) \
 	$(LIBMD) \