patch 8.2.3447: a couple of declarations are not ANSI C

Problem:    A couple of declarations are not ANSI C.
Solution:   Put argument type inside (). (Yegappan Lakshmanan, closes #8890)
diff --git a/src/version.c b/src/version.c
index 21a697d..9cd1495 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3447,
+/**/
     3446,
 /**/
     3445,