games/libretro-cores: update fbalpha core to fix rewind bug
- Upgrades fbalpha core from version 0.2.97.37 to 0.2.97.38, which fixes rewinding on pgm game (Ketsui tested) when using fba/fbalpha core
- Update path of snes9x-next to new name of snes9x2010 (same checkout version)
PR: 212479
Submitted by: Timothy Beyer <beyert@cs.ucr.edu>
Approved by: yuri@rawbw.com (maintainer)