basic/strv: use existing qsort_safe() helper

strv_sort() predates qsort_safe(), but we can convert it to it to
save a few lines.

diff --git a/src/basic/strv.c b/src/basic/strv.c
index 0eec868eed1f5e0dc46288eadf16b89830d49b7c..c63f11c6ade9627a6fa3af6a2eeb863a82dd71d0 100644 (file)
--- a/src/basic/strv.c
+++ b/src/basic/strv.c
@@ -770,11 +770,7 @@ static int str_compare(const void *_a, const void *_b) {
 }
 
 char **strv_sort(char **l) {
-
-        if (strv_isempty(l))
-                return l;
-
-        qsort(l, strv_length(l), sizeof(char*), str_compare);
+        qsort_safe(l, strv_length(l), sizeof(char*), str_compare);
         return l;
 }