fix remaining parameters handling

src/commonMain/kotlin/net/keinekekse/args/priv.kt

@@ -196,7 +196,7 @@ class CommandLine(
         val resultSubCommand = parseSubCommand(remaining)
         validateMandatoryParameters(resultSubCommand)
 
-        if (resultSubCommand.additionalParameters.isNotEmpty() && remainingDescription != null) {
+        if (resultSubCommand.additionalParameters.isNotEmpty() && remainingDescription == null) {
             throw ArgumentParserException.noMoreOptions()
         }