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.
diff --git a/src/version.c b/src/version.c
index 53f0001..5c21f7a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1093,
+/**/
     1092,
 /**/
     1091,