X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fstats%2Fcorrelations.q;h=2a1b22ddfb2edfbfed0f6246eef43e2bd27e8fce;hb=48386ee68a5283653435d05a9ea4e449710fd370;hp=15d21ecee124cd13fa817e6fb90af2a3ce8d8306;hpb=3816248a008a4af75aac6319d0c9929cb7ff679e;p=pspp

diff --git a/src/language/stats/correlations.q b/src/language/stats/correlations.q
index 15d21ecee1..2a1b22ddfb 100644
--- a/src/language/stats/correlations.q
+++ b/src/language/stats/correlations.q
@@ -1,6 +1,5 @@
 /* PSPP - computes sample statistics.
    Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
-   Written by Ben Pfaff <blp@gnu.org>.
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
@@ -37,7 +36,7 @@
 struct cor_set
   {
     struct cor_set *next;
-    struct variable **v1, **v2;
+    const struct variable **v1, **v2;
     size_t nv1, nv2;
   };
 
@@ -89,7 +88,7 @@ internal_cmd_correlations (struct lexer *lexer, struct dataset *ds)
 static int
 cor_custom_variables (struct lexer *lexer, struct dataset *ds, struct cmd_correlations *cmd UNUSED, void *aux UNUSED)
 {
-  struct variable **v1, **v2;
+  const struct variable **v1, **v2;
   size_t nv1, nv2;
   struct cor_set *cor;
 
@@ -100,13 +99,13 @@ cor_custom_variables (struct lexer *lexer, struct dataset *ds, struct cmd_correl
     return 2;
   lex_match (lexer, '=');
 
-  if (!parse_variables (lexer, dataset_dict (ds), &v1, &nv1,
+  if (!parse_variables_const (lexer, dataset_dict (ds), &v1, &nv1,
 			PV_NO_DUPLICATE | PV_NUMERIC))
     return 0;
   
   if (lex_match (lexer, T_WITH))
     {
-      if (!parse_variables (lexer, dataset_dict (ds), &v2, &nv2,
+      if (!parse_variables_const (lexer, dataset_dict (ds), &v2, &nv2,
 			    PV_NO_DUPLICATE | PV_NUMERIC))
 	{
 	  free (v1);