Remove dependency of dsa_sign.o and dsa_vrf.o: new functions FIPS_dsa_sig_new
and FIPS_dsa_sig_free, reimplment DSA_SIG_new and DSA_SIG_free from ASN1
library.
diff --git a/fips/fips_test_suite.c b/fips/fips_test_suite.c
index a06c862..392a889 100644
--- a/fips/fips_test_suite.c
+++ b/fips/fips_test_suite.c
@@ -131,7 +131,7 @@
     r = FIPS_dsa_verify_ctx(dsa, &mctx, sig);
     end:
     if (sig)
-	DSA_SIG_free(sig);
+	FIPS_dsa_sig_free(sig);
     FIPS_md_ctx_cleanup(&mctx);
     if (dsa)
   	  FIPS_dsa_free(dsa);