patch 9.1.0431: eval.c is too long

Problem:  eval.c is too long
Solution: Move garbage collection code to new gc.c file
          (Yegappan Lakshmanan)

closes: #14824

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 28dad45..ca8af16 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    431,
+/**/
     430,
 /**/
     429,