patch 9.0.1093: using freed memory of object member

Problem:    Using freed memory of object member. (Yegappan Lakshmanan)
Solution:   Make a copy of the object member when getting it.

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1093,
 /**/
     1092,
 /**/