#include "language/lexer/lexer.h"
#include "language/lexer/value-parser.h"
#include "language/lexer/variable-parser.h"
+#include "libpspp/cast.h"
#include "libpspp/message.h"
#include "libpspp/misc.h"
#include "math/correlation.h"
if (id->cov != NULL)
gsl_matrix_free (id->cov);
if (id->corr != NULL)
- gsl_matrix_free (id->corr);
+ gsl_matrix_free (CONST_CAST (gsl_matrix *, id->corr));
free (id);
}