--- subversion/libsvn_subr/io.c.orig	2011-08-04 15:16:10.723195200 +0200
+++ subversion/libsvn_subr/io.c	2011-08-04 15:18:29.270766000 +0200
@@ -131,7 +131,8 @@
 #define WIN32_RETRY_LOOP(err, expr)                                        \
   RETRY_LOOP(err, expr, (os_err == ERROR_ACCESS_DENIED                     \
                          || os_err == ERROR_SHARING_VIOLATION              \
-                         || os_err == ERROR_DIR_NOT_EMPTY),                \
+                         || os_err == ERROR_DIR_NOT_EMPTY                  \
+                         || os_err == ERROR_USER_MAPPED_FILE),             \
              1)
 #else
 #define WIN32_RETRY_LOOP(err, expr) ((void)0)