[Ohrrpgce] SVN: teeemcee/13236 distribmenu: itch_butler_upload cleanup: simpler error checking

[subversion at HamsterRepublic.com]

teeemcee
2023-04-23 19:45:11 -0700 (Sun, 23 Apr 2023)
260
distribmenu: itch_butler_upload cleanup: simpler error checking

Better to error out immediately rather than continue to the end before checking
for errors.

And distribute_game_* functions now return the exported file paths to avoid
needing to duplicate them.
---
U   wip/common.rbas
U   wip/distribmenu.bas