[MENU ERROR] ShaderLib: lua_initclf == NULL

When I tried to install EGSM, i got this error when starting the game

[MENU ERROR] ShaderLib: lua_initclf == NULL

  1. unknown - [C]:-1
   2. require - [C]:-1
    3. unknown - lua/menu/menu.lua:19
     4. include - [C]:-1
      5. unknown - lua/includes/menu.lua:9

[EthanTheGreat]

I can repeat this issue. It is apparently after gmod updates,
the signature scan patterns also need to be updated to the new format.

[Akabenko]

https://github.com/Akabenko/EGSM/releases/tag/v2.8