patch 9.1.0450: evalc. code too complex

Problem:  eval.c code too complex
Solution: refactor eval6() and eval9() functions into several smaller
          functions (Yegappan Lakshmanan)

closes: #14875

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 6871bf9..bedc35b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    450,
+/**/
     449,
 /**/
     448,