PVS-Studio warning V523 for Scilab

static int uf_union  (int* uf, int s, int t) {

  if (uf_find(uf,s) < uf_find(uf,t))
  {
    uf[uf_find(uf,s)] = uf_find(uf,t);
    return (uf_find(uf,t));
  }
  else
  {
    uf[uf_find(uf,s)] = uf_find(uf,t);
    return (uf_find(uf,t));
  }
}

This suspicious code was found in Scilab project by PVS-Studio static code analyzer.
Warning message is:
V523 The 'then' statement is equivalent to the 'else' statement. taucs_scilab.c 700

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