v0.7.26

Changed

• Updated melonDS to commit 24cb428.
• Updated libretro-common to commit fce57fd.
• Allow switching between the software and OpenGL renderers
  (where available) without restarting the core.

Fixed

• GBA ROM and save data support is now supported with the built-in BIOS.
• Fixed a crash that occurred upon starting the core.
• Fixed a potential crash when attempting to load an invalid NDS ROM.
• Fixed an issue where the software renderer would not clear the entire framebuffer
  when using a hybrid screen layout
• Fix an issue where the OpenGL state wouldn't be updated
  when the screen layout was changed.
• Fixed an issue where the JIT wouldn't be used even if it was enabled.