patch 8.2.3667: building libvterm fails with MSVC

Problem:    Building libvterm fails with MSVC.
Solution:   Don't use C99 construct.
diff --git a/src/version.c b/src/version.c
index 527691c..42cfafa 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3667,
+/**/
     3666,
 /**/
     3665,