Fix possibly-uninitialized variable.

tglsfdc · tglsfdc · commit b6576e5914d0 · 2017-05-08T11:18:40.000-04:00
Oversight in e2d4ef8 et al (my fault not Peter's). Per buildfarm. Security: CVE-2017-7484
diff --git a/src/backend/utils/adt/rangetypes_selfuncs.c b/src/backend/utils/adt/rangetypes_selfuncs.c
@@ -374,8 +374,8 @@ calc_hist_selectivity(TypeCacheEntry *typcache, VariableStatData *vardata,
 {
 	Datum	   *hist_values;
 	int			nhist;
-	Datum	   *length_hist_values;
-	int			length_nhist;
+	Datum	   *length_hist_values = NULL;
+	int			length_nhist = 0;
 	RangeBound *hist_lower;
 	RangeBound *hist_upper;
 	int			i;
