* child_info.h (fork_info): Use different method to alias variable.

(spawn_info): Ditto.
* cxx.cc (__cxa_guard_acquire): New function (needed for gcc 4.x).
(__cxa_guard_release): Ditto.
* devices.in: Make sure stuff is correctly bracketed (for gcc 4.x).
* devices.cc: Regenerate.
* fhandler.h (fhandler_disk_file::fchmod): Avoid left coercion (for gcc 4.x).
* smallprint.c (__rn): Declare as __fastcall since gcc 4.x complains about use
of regparm, for some reason.
* sync.h (sync::init_lock): Remove.
* sync.cc (sync::init_lock): Ditto.

winsup/cygwin/sync.h

@@ -17,7 +17,6 @@ details. */
 class muto
 {
   static DWORD exiting_thread;
-  static CRITICAL_SECTION init_lock;
   LONG sync;	/* Used to serialize access to this class. */
   LONG waiters;	/* Number of threads waiting for lock. */
   HANDLE bruteforce; /* event handle used to control waiting for lock. */