tree a667a95908d1eceb04880fdd30eaf9434d93f5c0
parent 0c3bcbf3d4736a77c361674adeb656b2eb9d4cff
author Andrew Jeffery <andrew@aj.id.au> 1675401584 +1030
committer Andrew Jeffery <andrew@aj.id.au> 1675675127 +1030

argument: Fix clang-tidy readability-redundant-string-init

```
/home/andrew/src/openbmc/phosphor-led-sysfs/build/../argument.cpp:30:35: error: redundant string initialization [readability-redundant-string-init,-warnings-as-errors]
const std::string ArgumentParser::empty_string = "";
                                  ^~~~~~~~~~~~~~~~~
                                  empty_string
```

Change-Id: I6b802d85b6f0ac0911e3ce85f086e8df29239f37
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>