wallet2: move output selection api public

src/wallet/wallet2.h

@@ -364,6 +364,12 @@ namespace tools
 
     std::string get_wallet_file() const;
     std::string get_keys_file() const;
+
+    std::vector<size_t> select_available_outputs_from_histogram(uint64_t count, bool atleast, bool trusted_daemon);
+    std::vector<size_t> select_available_outputs(const std::function<bool(const transfer_details &td)> &f);
+    std::vector<size_t> select_available_unmixable_outputs(bool trusted_daemon);
+    std::vector<size_t> select_available_mixable_outputs(bool trusted_daemon);
+
   private:
     /*!
      * \brief  Stores wallet information to wallet file.
@@ -403,10 +409,6 @@ namespace tools
     uint64_t get_upper_tranaction_size_limit();
     void check_pending_txes();
     std::vector<uint64_t> get_unspent_amounts_vector();
-    std::vector<size_t> select_available_outputs_from_histogram(uint64_t count, bool atleast, bool trusted_daemon);
-    std::vector<size_t> select_available_outputs(const std::function<bool(const transfer_details &td)> &f);
-    std::vector<size_t> select_available_unmixable_outputs(bool trusted_daemon);
-    std::vector<size_t> select_available_mixable_outputs(bool trusted_daemon);
 
     cryptonote::account_base m_account;
     std::string m_daemon_address;