patch 8.2.2855: white space after "->" does not give E274

Problem:    White space after "->" does not give E274.
Solution:   Do not skip white space in legacy script. (closes #8212)
diff --git a/src/version.c b/src/version.c
index 7635c2f..1aef3c7 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2855,
+/**/
     2854,
 /**/
     2853,