message: wallet: use GetAvailableCredit in GetAvailableWatchOnlyCredit method.
diff: @@ -1441,14 +1441,7 @@ CAmount CWalletTx::GetImmatureWatchOnlyCredit(const bool& fUseCache) const
  CAmount CWalletTx::GetAvailableWatchOnlyCredit(const bool& fUseCache) const
  {
  - if (pwallet == 0)
  - return 0;
  -
  - // Must wait until coinbase is safely deep enough in the chain before valuing it
  - if (IsCoinBase() && GetBlocksToMaturity() > 0)
  - return 0;
  -
  - return GetCachableAmount(AVAILABLE_CREDIT, ISMINE_WATCH_ONLY, !fUseCache);
  + return GetAvailableCredit(fUseCache, ISMINE_WATCH_ONLY);
  }
  CAmount CWalletTx::GetLockedWatchOnlyCredit() const
  