fix makedoc warnings.
authortsteven4 <13596209+tsteven4@users.noreply.github.com>
Thu, 27 Oct 2022 23:39:51 +0000 (17:39 -0600)
committertsteven4 <13596209+tsteven4@users.noreply.github.com>
Thu, 27 Oct 2022 23:39:51 +0000 (17:39 -0600)
commitcb2327f1589c9dd7b1603a5b8345dbd94b6feb7e
treefb7e70d1e7f264558901f64376b357019117bf10
parent77a1b245db041feacf4525f8871ae6580705f026
fix makedoc warnings.

and:
die on errors with file creation, creating autogen directory, or
running gpsbabel.

use dirname to get directory portion of $0.  previously
"./xmldoc/makedoc" would fail as $dir got set to "." instead of
"./xmldoc". "perl xmldoc/makedoc" would work.
xmldoc/makedoc