sv.h: Move comment just before struct it describes

It was divorced therefrom in commit 20f4945e.

1 files changed, 2 insertions, 2 deletions

diff --git a/sv.h b/sv.h
index c347aea6f5..c708ae5ec6 100644
--- a/sv.h
+++ b/sv.h
@@ -494,8 +494,6 @@ struct xpvgv {
     union _xnvu xnv_u;
 };
 
-/* This structure must match XPVCV in cv.h */
-
 typedef U16 cv_flags_t;
 
 #define _XPVCV_COMMON								\
@@ -517,6 +515,8 @@ typedef U16 cv_flags_t;
 				  * sub */					\
     cv_flags_t	xcv_flags
 
+/* This structure must match XPVCV in cv.h */
+
 struct xpvfm {
     _XPV_HEAD;
     _XPVCV_COMMON;