libavcodec/ac3.c:140: error: Uninitialized Value
  The value read from fastleak was never initialized.

libavcodec/ac3.c:140:20: 
138. 
139.     for (bin = begin; bin < bndend; bin++) {
140.         fastleak = FFMAX(fastleak - s->fast_decay, band_psd[bin] - fast_gain);
                        ^
141.         slowleak = FFMAX(slowleak - s->slow_decay, band_psd[bin] - s->slow_gain);
142.         excite[bin] = FFMAX(fastleak, slowleak);
