patch 8.2.4288: preprocessor indents are inconsistent

Problem:    Preprocessor indents are inconsistent.
Solution:   Fix preprocessor indents. (Ken Takata, closes #9691)
diff --git a/src/version.c b/src/version.c
index b53b4eb..cc4e7d2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4288,
+/**/
     4287,
 /**/
     4286,