[Abcde-users] small change for function names

[Cesar Enrique Garcia Dabo]

Hi,

after using abcde for quite a long time I found the other day failing 
with a strange error:

/usr/bin/abcde: line 1970: `abcde.cue2discid': not a valid identifier

I then I realized that now I am using the POSIXLY_CORRECT option and 
bash then complains about the names abcde.cue2discid() and 
abcde.mkcue(). Those names are not valid function names for POSIX shell 
(https://pubs.opengroup.org/onlinepubs/9699919799.2018edition/utilities/V3_chap02.html#tag_18_09_05).

When I changed abcde.cue2discid => abcde_cue2discid, abcde.mkcue => 
abcde_mkcue then abcde worked as normal (although I am not using the cue 
options myself). Of course that change doesn´t make the script fully 
POSIX compliant, but it a small change that helps portability.

Thank you!

Enrique