Re: master b9ac4f8.. (Fix locating pdump by symlink) breaks with stow

["Daniel Colascione" <dancol@dancol.org>]

> On Mon, Jun 24, 2019 at 06:21:12AM -0700, Daniel Colascione wrote:
>>> On Mon, Jun 24, 2019 at 06:57:32PM +0700, Yuri Khan wrote:
>>>>On Mon, Jun 24, 2019 at 6:12 PM Ergus <spacibba@aol.com> wrote:
>>>>
>>>>> 750|  char* argv0 = realpath (argv[0], NULL);
>>>>> 751|  if (!argv0)
>>>>> 752|    fatal ("could not resolve realpath of \"%s\": %s",
>>>>> 752|           argv0, strerror (errno));
>>>>
>>>>This looks wrong. If we called realpath and it returned null, we???d
>>>>probably want the original argv[0] in the error message, not the null
>>>>result.
>>>>
>>>
>>> This also produces problems when using emacs from an alias like em o
>>> emc
>>> which is a very common practice.
>>>
>>> So there should be actually other conditions to try if the first
>>> realpath call fails and not abort (call fatal) in the first try.
>>
>>Try it now. Sorry about the botched change.
>>
>>
> Hi Daniel:
>
> Did you pushed any change too savannah/master?

Graph. Of course the push failed. *Now* try it.  :-)