Fix no-dsa builds
Add a guard in a build.info file for no-dsa builds
@@ -11,4 +11,6 @@ SOURCE[$RSA_GOAL]=serializer_rsa.c serializer_rsa_priv.c serializer_rsa_pub.c
IF[{- !$disabled{dh} -}]
SOURCE[$DH_GOAL]=serializer_dh.c serializer_dh_priv.c serializer_dh_pub.c serializer_dh_param.c
ENDIF
+IF[{- !$disabled{dsa} -}]
SOURCE[$DSA_GOAL]=serializer_dsa.c serializer_dsa_priv.c serializer_dsa_pub.c serializer_dsa_param.c
+ENDIF
