Consistently use the return value from case_ref.

[pspp-builds.git] / src / math / order-stats.c

diff --git a/src/math/order-stats.c b/src/math/order-stats.c
index e550d2b2eb55f66fd4baea366e7a058abb849443..9f54e8730c9bfda7ce738b5311df3016f3c9cdbf 100644 (file)
--- a/src/math/order-stats.c
+++ b/src/math/order-stats.c
@@ -131,8 +131,6 @@ order_stats_accumulate (struct order_stats **os, size_t nos,
       if ( var_is_value_missing (var, case_data (cx, var), exclude))
        continue;
 
-      case_unref (prev_cx);
-
       if ( prev_value == -DBL_MAX || prev_value == this_value)
        c_i += weight;
 
@@ -142,6 +140,7 @@ order_stats_accumulate (struct order_stats **os, size_t nos,
          c_i = weight;
        }
 
+      case_unref (prev_cx);
       cc_i += weight;
       prev_value = this_value;
       prev_cx = case_ref (cx);