POSIX main: always add newline after a command

src/platforms/posix/main.cpp

@@ -106,9 +106,7 @@ static void run_cmd(const vector<string> &appargs, bool exit_on_fail)
 
 		arg[i] = (char *)0;
 
-		if (exit_on_fail) {
-			cout << endl;
-		}
+		cout << endl;
 
 		int retval = apps[command](i, (char **)arg);