Patch to fix thread support for Solaris x86

[Andrew Cagney]

"Peter.Schauer" wrote:
> 
> This patch fixes thread support for Solaris x86 platforms.
> 
> The patch gets rid of the following testsuite fail and causes no regressions:
> FAIL: gdb.threads/pthreads.exp: continue to bkpt at common_routine in thread 2
> 
> 2000-02-26  Peter Schauer  <pes@regent.e-technik.tu-muenchen.de>
> 
>         * config/i386/tm-i386sol2.h (MERGEPID):  Define.

Thanks - I've checked it in.  (Wonder if there should be a common
config/tm-sol2.h?)

	Andrew