don't set use_windows

I removed the "use_windows" global from upstream gdb.
Nothing ever checked this global.

This patch adapts Insight to build against trunk.
It should still work fine as nothing in the "src" gdb checks use_windows
either.

Ok?

Tom

2014-01-13  Tom Tromey  <[email protected]>

	* generic/gdbtk-main.c (main): Don't set use_windows.

Index: gdbtk/generic/gdbtk-main.c
===================================================================
RCS file: /cvs/src/src/gdb/gdbtk/generic/gdbtk-main.c,v
retrieving revision 1.4
diff -u -r1.4 gdbtk-main.c
--- gdbtk/generic/gdbtk-main.c	23 Dec 2005 18:23:16 -0000	1.4
+++ gdbtk/generic/gdbtk-main.c	13 Jan 2014 21:38:41 -0000
@@ -1,6 +1,6 @@
 /* Main function for gdb with insight.  
 
-   Copyright (C) 2002 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2014 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -31,7 +31,6 @@
   memset (&args, 0, sizeof args);
   args.argc = argc;
   args.argv = argv;
-  args.use_windows = 1;
   args.interpreter_p = "insight";
   return gdb_main (&args);
 }