Use const consistently in linreg routines, to avert warnings.

[pspp-builds.git] / src / math / linreg.h

diff --git a/src/math/linreg.h b/src/math/linreg.h
index a9577d648372dc640056fc07762405ccc0aff6c1..adb9f16d8bf1c3fb7de898c75c64cb7e2c3ecd2c 100644 (file)
--- a/src/math/linreg.h
+++ b/src/math/linreg.h
@@ -199,7 +199,7 @@ pspp_linreg_residual (const struct variable **, const union value **,
 /*
   All variables used in the model.
  */
-int pspp_linreg_get_vars (const void *, struct variable **);
+int pspp_linreg_get_vars (const void *, const struct variable **);
 
 struct pspp_coeff *pspp_linreg_get_coeff (const pspp_linreg_cache
                                                       *,