Merge GDB 7.5.1

gdb/mingw-hdep.c

 /* Host support routines for MinGW, for GDB, the GNU debugger.
 
    Copyright (C) 2006-2012 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
@@ skipping 233 matching lines @@
   if (immediate_p)
     sigint_handler = handler;
   else
     {
       mark_async_signal_handler (handler);
       sigint_handler = NULL;
     }
   SetEvent (sigint_event);
 }
 
+/* -Wmissing-prototypes */
+extern initialize_file_ftype _initialize_mingw_hdep;
+
 void
 _initialize_mingw_hdep (void)
 {
   sigint_event = CreateEvent (0, FALSE, FALSE, 0);
 }