Exclude Solaris in Process.clock_gettime specs
Exclude Solaris in Process.clock_gettime specs

* It declares clocks which are invalid for clock_gettime(), which I consider OS bug.
* I want to keep testing all declared clocks on other platforms.

git-svn-id: ab86ecd26fe50a6a239cacb71380e346f71cee7d@66657 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

eregon/rubyspec,eregon/rubyspec,ruby/spec,ruby/spec,nobu/rubyspec,nobu/rubyspec,ruby/rubyspec,eregon/rubyspec,ruby/rubyspec,nobu/rubyspec,ruby/spec