[patch] drop unused sys/ioctl.h include from some gdbtk files

[Daniel Jacobowitz]

On Fri, Jul 27, 2007 at 11:15:03AM -0400, Mike Frysinger wrote:
> a few files in gdb/gdbtk/generic/ pull in sys/ioctl.h for no reason (that i 
> can tell).  they arent actually using ioctl() and this breaks my mingw build.
> -mike

Please send gdbtk patches to the Insight list.  Thanks.

-- 
Daniel Jacobowitz
CodeSourcery