fpylll: enumeration: missing GSO type of long+longdouble

[cr-marcstevens]

fpylll enumeration supports GSO type long+longdouble mat_gso_long_ld, but throws an error because the right code is never reached because of the following issue:
The fpylll Enumeration dispatch is missing a case in this if statement:
if self.M._type == mat_gso_mpz_ld:
should be
if self.M._type == mat_gso_mpz_ld or self.M._type == mat_gso_long_ld:

fpylll/src/fpylll/fplll/enumeration.pyx

Line 389 in deb9c85

if self.M._type == mat_gso_mpz_ld:

[cr-marcstevens]

@lducas @malb could one of you fix this? I have no idea who has push rights.

[cr-marcstevens]

Thanks a lot!