Fix memory leak in wilcoxon_execute().

diff --git a/src/language/stats/wilcoxon.c b/src/language/stats/wilcoxon.c
index e44233a7ab7904fb437a1988f6505cb3af4559cf..1bdcc06dc252851f93c7172a13c35fdfaba62367 100644 (file)
--- a/src/language/stats/wilcoxon.c
+++ b/src/language/stats/wilcoxon.c
@@ -124,6 +124,7 @@ wilcoxon_execute (const struct dataset *ds,
 
              /* Central point values should be dropped */
              ws[i].n_zeros += w;
+              case_unref (output);
               continue;
            }