updated for version 7.3.169

Problem:    Freeing memory already freed, warning from static code analyzer.
Solution:   Initialize pointers to NULL, correct use of "mustfree". (partly by
            Dominique Pelle)

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    169,
 /**/
     168,
 /**/