fix typos

[spaette]

a couple of typos

[github-actions]

Hello! The Git Commit Checker CI bot found a few problems with this PR:

ab01bb1: typos

• check_signed_off: does not contain a valid Signed-off-by line

Please fix these problems and, if necessary, force-push new commits back up to the PR branch. Thanks!

[jsquyres]

@spaette Thanks for the fixes!

Can you add the "Signed off by" to your commit message as per https://docs.open-mpi.org/en/v5.0.x/contributing.html#contributor-s-declaration?

[spaette]

my circumstance isn't favourable to add the "Signed off by"

this is a small fix, so feasibly a Member might implement it

grep output

$ grep -nr prehaps oac
oac/oac_init.m4:18:dnl Override (prehaps temporarily) the prefix name specified to
$ grep -nr seperated oac
oac/oac_var_scope.m4:71:dnl 1 -> space seperated list of variable names to push into the new scope
oac/oac_list.m4:27:dnl OAC_UNIQ: Uniqify the string-seperated words in the input variable
$ 

GNU sed commands

$ sed -i "s/prehaps/perhaps/g" oac/oac_init.m4
$ sed -i "s/seperated/separated/g" oac/oac_var_scope.m4
$ sed -i "s/seperated/separated/g" oac/oac_list.m4
$

[jsquyres]

@spaette Got it; thank you!