Log Message:
libretro-reicast: Update to 20181026

Changes:

* Modem: issues with incoming TCP connections. 2K games packet mangling
* Auto save state changes
* Naomi: no need for lst files anymore
* Fix crash when toggling fullscreen on and off
* JVS: fix substract coin, array overflow and more
* Aica rec: revert to the original sequence of ops for branch to reg
* Aica: unaligned branch failure with arm and x86 dynarecs
* Naomi: fix arm dynarec do_sqw_nommu_area_3
* Naomi: fix crash on arm. GLES: Disable modifier volumes if no stencil
* Naomi: Better game identification, more robust lst parsing
* Add screen orientation setting for Naomi vertical screen games