wallet_api: fix logging init via api

src/wallet/api/wallet.cpp

@@ -258,6 +258,11 @@ uint64_t Wallet::maximumAllowedAmount()
     return std::numeric_limits<uint64_t>::max();
 }
 
+void Wallet::init(const char *argv0, const char *default_log_base_name) {
+    epee::string_tools::set_module_name_and_folder(argv0);
+    mlog_configure(mlog_get_default_log_path(default_log_base_name), true);
+}
+
 void Wallet::debug(const std::string &str) {
     MDEBUG(str);
 }

src/wallet/api/wallet_manager.cpp

@@ -451,7 +451,6 @@ WalletManager *WalletManagerFactory::getWalletManager()
     static WalletManagerImpl * g_walletManager = nullptr;
 
     if  (!g_walletManager) {
-        mlog_configure("monero-wallet-gui.log", false);
         g_walletManager = new WalletManagerImpl();
     }
 

src/wallet/wallet2_api.h

@@ -429,6 +429,7 @@ struct Wallet
     static std::string paymentIdFromAddress(const std::string &str, bool testnet);
     static uint64_t maximumAllowedAmount();
     // Easylogger wrapper
+    static void init(const char *argv0, const char *default_log_base_name);
     static void debug(const std::string &str);
 
    /**