patch 9.0.1308: the code for setting options is too complicated

Problem:    The code for setting options is too complicated.
Solution:   Refactor the code for setting options. (Yegappan Lakshmanan,
            closes #11989)
diff --git a/src/version.c b/src/version.c
index ee9bf28..be98fc8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1308,
+/**/
     1307,
 /**/
     1306,