BRASILIA (Reuters) – Approval of Brazilian President Luiz Inacio Lula da Silva’s government was roughly stable in December, according to two polls released on Thursday. Nearing the end of the first year of his third non-consecutive term after a fierce election, the leftist president had an approval rate of 38% in a survey by Datafolha, flat from its previous release in September. The percentage of respondents expressing disapproval edged down to 30% from 31% but was still above the 27% registered in June. Anther 30% were neutral. A separate survey by pollster Ipec also showed that 38% of respo…