PVS-Studio warning V614 for FFMpeg

static int pack_bitstream(G723_1_Context *p,
  unsigned char *frame, int size)
{
  ....
  int info_bits;
  ....
  if (p->cur_rate == RATE_6300) {
    info_bits = 0;
    put_bits(&pb, 2, info_bits);
  }
  ....
  return frame_size[info_bits];
}

This suspicious code was found in FFMpeg project by PVS-Studio static code analyzer.
Warning message is:
V614 Potentially uninitialized variable 'info_bits' used. g723_1.c 2335

PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/