In xlatlognam(), use the start of the destination buffer as the destination

filename, not the end.

[originally from svn r2770]

logging.c

@@ -258,5 +258,5 @@ static void xlatlognam(Filename *dest, Filename src,
     }
     *d = '\0';
 
-    *dest = filename_from_str(d);
+    *dest = filename_from_str(buffer);
 }