--- server/util.c	(revision 574932)
+++ server/util.c	(working copy)
@@ -1617,6 +1617,12 @@ 
                 if (decoded == '\0') {
                     badpath = 1;
                 }
+                if ((decoded == '/') || (decoded == '\\')) {
+                    int j;
+                    for (j=0; j<3; ++j) {
+                        *x++ = *y++;
+                    }
+                }
                 else {
                     *x = decoded;
                     y += 2;