PVS-Studio warning V561 for FCEUX

int iNesSaveAs(char* name)
{
  ...
  fp = fopen(name,"wb");
  int x = 0;
  if (!fp)
    int x = 1;
  ...
}

This suspicious code was found in FCEUX project by PVS-Studio static code analyzer.
Warning message is:
V561 It's probably better to assign value to 'x' variable than to declare it anew. Previous daclaration: ines.cpp, line 960. fceux ines.cpp 962

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