tag release = release.r57.2

R=adg
CC=golang-dev
https://golang.org/cl/4638041
diff --git a/.hgtags b/.hgtags
index bfd8335..dbc92d9 100644
--- a/.hgtags
+++ b/.hgtags
@@ -62,9 +62,9 @@
 2f0fa51fa2da6ab50fcebba526326153da8ed999 weekly.2011-04-27
 8493bb64e5592bd20c0e60e78e7f8052c1276fcf release.r57
 95d2ce135523c96c4cea049af94ce76dd8c7d981 release.r57.1
-95d2ce135523c96c4cea049af94ce76dd8c7d981 release
 c98449d685d2b6aa1df9bfd2e1cce9307efb6e00 weekly.2011-05-22
 3418f22c39eb8299053ae681199ee90f8cd29c6d weekly.2011-06-02
 c81944152e973a917797679055b8fcdc70fbc802 weekly.2011-06-09
 c81944152e973a917797679055b8fcdc70fbc802 weekly
 9d7967223815ef6415ff01aa0fe6ad38cdbc7810 release.r57.2
+9d7967223815ef6415ff01aa0fe6ad38cdbc7810 release