Double "char problem

[diablo21]

I got error :
error C2440: 'type cast' : cannot convert from 'double' to 'unsigned char *'


code:

// Guild Alliance Min Players
bool Alliance ( char * ini )
{
	BYTE Alliance;
	Alliance = GetPrivateProfileInt("Custom","GuildAllianceMinPlayers",20,ini);
	*(unsigned char*) GS_GUILD_ALLIANCE_MINPLAYERS = Alliance ;
	return 1;
}
//End