merge revision(s) 49494: [Backport #10825]

	_sdbm.c: fix pointers to shift

	* ext/sdbm/_sdbm.c (delpair): dst and src point at the ends of
  each data, whereas memmove requires pointers to the beginnings.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@49645 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/ext/sdbm/_sdbm.c b/ext/sdbm/_sdbm.c
index b393783ddf..d810befbce 100644
--- a/ext/sdbm/_sdbm.c
+++ b/ext/sdbm/_sdbm.c
@@ -802,7 +802,7 @@ delpair(char *pag, datum key)
 		}
 #else
 #ifdef MEMMOVE
-		memmove(dst, src, m);
+		memmove(dst-m, src-m, m);
 #else
 		while (m--)
 			*--dst = *--src;