Document reentr.pl a bit better. Still rather

convoluted code, but it ain't broken, so...

p4raw-id: //depot/perl@16590

1 files changed, 1 insertions, 1 deletions

diff --git a/reentr.h b/reentr.h
index d72647b294..4c805883da 100644
--- a/reentr.h
+++ b/reentr.h
@@ -743,7 +743,7 @@ typedef struct {
 	size_t	_ttyname_size;
 #endif /* HAS_TTYNAME_R */
 
-    int dummy; /* just in case */
+    int dummy; /* cannot have empty structs */
 } REENTR;
 
 /* The wrappers. */