wallet_api: enable set_strict_default_file_permissions

src/wallet/api/wallet_manager.cpp

@@ -49,6 +49,11 @@ namespace epee {
 
 namespace Monero {
 
+WalletManagerImpl::WalletManagerImpl()
+{
+    tools::set_strict_default_file_permissions(true);
+}
+
 Wallet *WalletManagerImpl::createWallet(const std::string &path, const std::string &password,
                                     const std::string &language, NetworkType nettype, uint64_t kdf_rounds)
 {

src/wallet/api/wallet_manager.h

@@ -102,7 +102,7 @@ public:
     bool setProxy(const std::string &address) override;
 
 private:
-    WalletManagerImpl() {}
+    WalletManagerImpl();
     friend struct WalletManagerFactory;
     net::http::client m_http_client;
     std::string m_errorString;