[RFA] Document breakage of Solaris Thread Debugging

[Eli Zaretskii]

> Date: Tue, 20 Jun 2006 21:57:03 -0700
> From: Joel Brobecker <brobecker@adacore.com>
> 
> 
> -			Known problems in GDB 6.3
> +			Known problems in GDB 6.6

Did you really mean "GDB 6.6"?