Use x86_64 bits/ipctypes.h for both i386 and x86-64

sysdeps/unix/sysv/linux/x86/bits/ipctypes.h

@@ -0,0 +1,33 @@
+/* bits/ipctypes.h -- Define some types used by SysV IPC/MSG/SHM.
+   Copyright (C) 2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_IPC_H
+# error "Never use <bits/ipctypes.h> directly; include <sys/ipc.h> instead."
+#endif
+
+#ifndef _BITS_IPCTYPES_H
+#define _BITS_IPCTYPES_H	1
+
+/* Used in `struct shmid_ds'.  */
+# ifdef __x86_64__
+typedef int __ipc_pid_t;
+# else
+typedef unsigned short int __ipc_pid_t;
+# endif
+
+#endif /* bits/ipctypes.h */