message: Fix static initializers for locks.
  Fix static initializers to use the proper unlocked value for the poll
  field of the tas and futex locks.
  Patch by Terry Wilmarth
diff: @@ -122,7 +122,8 @@ extern void __kmp_validate_locks(void);
  // ----------------------------------------------------------------------------
  struct kmp_base_tas_lock {
  - volatile kmp_int32 poll; // 0 => unlocked; locked: (gtid+1) of owning thread
  + // KMP_LOCK_FREE(tas) => unlocked; locked: (gtid+1) of owning thread
  + volatile kmp_int32 poll;
  kmp_int32 depth_locked; // depth locked, for nested locks only
  };
  @@ -140,7 +141,7 @@ typedef union kmp_tas_lock kmp_tas_lock_t;
  // kmp_tas_lock_t xlock = KMP_TAS_LOCK_INITIALIZER( xlock );
  #define KMP_TAS_LOCK_INITIALIZER(lock) \
  { \
  - { 0, 0 } \
  + { KMP_LOCK_FREE(tas), 0 } \
  }
  extern int __kmp_acquire_tas_lock(kmp_tas_lock_t *lck, kmp_int32 gtid);
  @@ -178,7 +179,7 @@ extern void __kmp_destroy_nested_tas_lock(kmp_tas_lock_t *lck);
  // ----------------------------------------------------------------------------
  struct kmp_base_futex_lock {
  - volatile kmp_int32 poll; // 0 => unlocked
  + volatile kmp_int32 poll; // KMP_LOCK_FREE(futex) => unlocked
  // 2*(gtid+1) of owning thread, 0 if unlocked
  // locked: (gtid+1) of owning thread
  kmp_int32 depth_locked; // depth locked, for nested locks only
  @@ -199,7 +200,7 @@ typedef union kmp_futex_lock kmp_futex_lock_t;
  // kmp_futex_lock_t xlock = KMP_FUTEX_LOCK_INITIALIZER( xlock );
  #define KMP_FUTEX_LOCK_INITIALIZER(lock) \
  { \
  - { 0, 0 } \
  + { KMP_LOCK_FREE(futex), 0 } \
  }
  extern int __kmp_acquire_futex_lock(kmp_futex_lock_t *lck, kmp_int32 gtid);
  