Partial fix for bz339745. Mac OS: Further progress worker queue thread support. Additional magic constants have been checked against OS X 10.9 and 10.10

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14888 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/NEWS b/NEWS
index 84eddf6..4cf2556 100644
--- a/NEWS
+++ b/NEWS
@@ -56,6 +56,7 @@
 339442  Fix testsuite build failure on OS X 10.9
 339688  Mac-specific ASM does not support .version directive (cpuid,
         tronical and pushfpopf tests)
+339745  Valgrind crash when check Marmalade app (partial fix)
 339755  Fix known deliberate memory leak in setenv() on Mac OS X 10.9
 339780  Fix known uninitialised read in pthread_rwlock_init() on Mac OS X 10.9 
 339789  Fix none/tests/execve test on Mac OS X 10.9