Wallet: Support loading multiple wallets if -wallet used more than once

src/wallet/wallet.cpp

@@ -3930,8 +3930,9 @@ bool CWallet::InitLoadWallet()
         return true;
     }
 
-    std::string walletFile = GetArg("-wallet", DEFAULT_WALLET_DAT);
+    SoftSetArg("-wallet", DEFAULT_WALLET_DAT);
 
+    for (const std::string& walletFile : gArgs.GetArgs("-wallet")) {
         if (boost::filesystem::path(walletFile).filename() != walletFile) {
             return InitError(_("-wallet parameter must only specify a filename (not a path)"));
         } else if (SanitizeString(walletFile, SAFE_CHARS_FILENAME) != walletFile) {
@@ -3943,6 +3944,7 @@ bool CWallet::InitLoadWallet()
             return false;
         }
         vpwallets.push_back(pwallet);
+    }
 
     return true;
 }