diff --git a/.patches/ncpfs-2.2.6-r6/ncpfs-hg-commit-413.patch b/.patches/ncpfs-2.2.6-r6/ncpfs-hg-commit-413.patch
new file mode 100644
index 0000000..5570ec1
--- /dev/null
+++ b/.patches/ncpfs-2.2.6-r6/ncpfs-hg-commit-413.patch
@@ -0,0 +1,21 @@
+changeset:   413:94680aa0251a
+user:        Petr Vandrovec <petr@vandrovec.name>
+date:        Sat May 28 13:47:31 2005 +0000
+files:       lib/rdn.c
+description:
+Do not include <sys/mman.h> in lib/rdn.h.  It is not needed there.
+
+
+diff -r b4b6191b3d97 -r 94680aa0251a lib/rdn.c
+--- a/lib/rdn.c	Sat May 28 13:46:29 2005 +0000
++++ b/lib/rdn.c	Sat May 28 13:47:31 2005 +0000
+@@ -30,8 +30,6 @@
+ #include <stdlib.h>
+ #include <errno.h>
+ #include <string.h>
+-
+-#include <sys/mman.h>
+ 
+ #include "nwnet_i.h"
+ #include "ncplib_i.h"
+
diff --git a/lib/rdn.c b/lib/rdn.c
index 5c3085e..834b043 100644
--- a/lib/rdn.c
+++ b/lib/rdn.c
@@ -31,8 +31,6 @@
 #include <errno.h>
 #include <string.h>
 
-#include <sys/mman.h>
-
 #include "nwnet_i.h"
 #include "ncplib_i.h"
 #include "ncpcode.h"