mirror of https://github.com/CGAL/cgal
added missing const
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@ -18,7 +18,7 @@ int main (int argc, char **argv)
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{
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// Get the name of the input file from the command line, or use the default
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// points.dat file if no command-line parameters are given.
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char * filename = (argc > 1) ? argv[1] : "points.dat";
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const char * filename = (argc > 1) ? argv[1] : "points.dat";
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// Open the input file.
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std::ifstream in_file (filename);
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