libavcodec/eatgv.c:125: error: Uninitialized Value
  The value read from offset was never initialized.

libavcodec/eatgv.c:125:13: 
123.             size -= size2;
124.             run = FFMIN(size2, dst_end-dst);
125.             av_memcpy_backptr(dst, offset, run);
                 ^
126.             dst += run;
127.         }
