updated for version 7.3.552
Problem:    Formatting inside comments does not use the "2" flag in
            'formatoptions'.
Solution:   Support the "2" flag.  (Tor Perkins)
diff --git a/src/version.c b/src/version.c
index 5e08bac..91226cb 100644
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    552,
+/**/
     551,
 /**/
     550,