[PATCH] Fix spurious failures on Solaris 2.6 and below

[Paolo Carlini]

Hi Eric,

>The patch has been tested on Solaris 2.5.1, 2.6, 7 (all branches) and I have 
>manually verified with gcc -E that the call to pthread_setconcurrency is 
>still present on Solaris 7.  OK for all active branches?
>
I would say yes (this change can affect only Solaris, right?). Just wait 
one day or
so in case of feedbacks from other time zones and, in particular, Gaby 
for 3_3-branch.

Thanks!
Paolo.