thttpd blocks 'GET //bla HTTP/1.0'

[x]

To reproduce the problem, have a thttpd on port 12345 and compare
  ftp http://localhost:12345/index.html
with
  ftp http://localhost:12345//index.html

The behaviour differs from httpd(8), and some clients trip over it.

$ cat ports/www/thttpd/patches/patch-libthttpd_c
--- libhttpd.c.orig     Mon Mar 30 08:54:18 2009
+++ libhttpd.c  Mon Mar 30 08:59:12 2009
@@ -2024,6 +2024,8 @@
     httpd_realloc_str(
        &hc->origfilename, &hc->maxorigfilename, strlen( hc->decodedurl ) );
     (void) strcpy( hc->origfilename, &hc->decodedurl[1] );
+    while ( hc->origfilename[0] == '/' )
+       ++hc->origfilename;
     /* Special case for top-level URL. */
     if ( hc->origfilename[0] == '\0' )
        (void) strcpy( hc->origfilename, "." );
$