winedbg: In gdb proxy mode, ignore ctrl-c.

Let gdb handle the control-c instead of killing winedbg.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51766
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

programs/winedbg/gdbproxy.c

@@ -2499,6 +2499,8 @@ static int gdb_remote(unsigned flags, unsigned port)
     struct gdb_context  gdbctx;
 
     if (!gdb_init_context(&gdbctx, flags, port)) return 0;
+    /* don't handle ctrl-c, but let gdb do the job */
+    SetConsoleCtrlHandler(NULL, TRUE);
     for (;;)
     {
         fd_set read_fds, err_fds;