#if defined(__APPLE__)
static pthread_mutex_t ydb_big_lock = PTHREAD_MUTEX_INITIALIZER;
#else
static pthread_mutex_t ydb_big_lock = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP;
#endif

Unsure if this does the same thing for apple.
Addresses #280

git-svn-id: file:///svn/tokudb@1696 c7de825b-a66e-492c-adef-691d508d4ae1