Make Pokemon::HasVolatile const in Angelscript.

src/ScriptResolving/AngelScript/TypeRegistry/Battling/RegisterPokemonClass.cpp

@@ -184,7 +184,7 @@ void RegisterPokemonClass::RegisterPokemonType(asIScriptEngine* engine) {
     r = engine->RegisterObjectMethod("Pokemon", "int8 GetStatBoost(Statistic stat) const",
                                      asMETHOD(PkmnLib::Battling::Pokemon, GetStatBoost), asCALL_THISCALL);
     Ensure(r >= 0);
-    r = engine->RegisterObjectMethod("Pokemon", "bool HasVolatile(const constString &in name)",
+    r = engine->RegisterObjectMethod("Pokemon", "bool HasVolatile(const constString &in name) const",
                                      asMETHOD(PkmnLib::Battling::Pokemon, HasVolatileScript), asCALL_THISCALL);
     Ensure(r >= 0);
     r = engine->RegisterObjectMethod("Pokemon", "ref@ AddVolatile(const constString &in name)",