patch 8.2.0797: MS-Windows: compiler still can't handle C99 construct

Problem:    MS-Windows: compiler still can't handle C99 construct.
Solution:   Change to C90 construct. (Dominique Pelle, closes #6106)
diff --git a/src/version.c b/src/version.c
index fc9a1a0..9c1f6f1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    797,
+/**/
     796,
 /**/
     795,