PVS-Studio warning V519 for OpenCV

static jpc_enc_cp_t *cp_create(char *optstr, jas_image_t *image)
{
  ....
  ccp->sampgrdsubstepx = 0;
  ccp->sampgrdsubstepx = 0;
  ....
}

This suspicious code was found in OpenCV project by PVS-Studio static code analyzer.
Warning message is:
V519 The 'ccp->sampgrdsubstepx' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 414, 415. jpc_enc.c 415

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/