string-list: use QSORT_S in string_list_sort()

diff --git a/sh-i18n--envsubst.c b/sh-i18n--envsubst.c
index e06b2c1311f72d1023b34c937ab48cd56ae8e206..c3a2b5ad17c74613811a0ce850586fa1b9e099bd 100644 (file)
--- a/sh-i18n--envsubst.c
+++ b/sh-i18n--envsubst.c
@@ -230,8 +230,7 @@ cmp_string (const void *pstr1, const void *pstr2)
 static inline void
 string_list_sort (string_list_ty *slp)
 {
-  if (slp->nitems > 0)
-    qsort (slp->item, slp->nitems, sizeof (slp->item[0]), cmp_string);
+  QSORT(slp->item, slp->nitems, cmp_string);
 }
 
 /* Test whether a sorted string list contains a given string.  */