patch 8.2.3437: compiler warnings for 32/64 bit usage

Problem:    Compiler warnings for 32/64 bit usage.
Solution:   Add type casts. (Mike Williams, closes #8870)
diff --git a/src/version.c b/src/version.c
index 6fd967c..11a976c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3437,
+/**/
     3436,
 /**/
     3435,