Fix Valgrind does not support pthread_sigmask() on OS X 
bz#201216

On OS X 10.10

Before:

== 592 tests, 220 stderr failures, 15 stdout failures, 0 stderrB failures, 0 stdoutB failures, 30 post failures ==

After:

== 592 tests, 219 stderr failures, 15 stdout failures, 0 stderrB failures, 0 stdoutB failures, 30 post failures ==


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15410 a5019735-40e9-0310-863c-91ae7b9d1cf9
5 files changed