engine: server: register dummy cvar sv_allow_dlfile for GoldSrc compatibility

engine/server/sv_main.c

@@ -49,6 +49,7 @@ CVAR_DEFINE_AUTO( sv_send_resources, "1", 0, "allow to download missed resources
 CVAR_DEFINE_AUTO( sv_logbans, "0", 0, "print into the server log info about player bans" );
 CVAR_DEFINE_AUTO( sv_allow_upload, "1", FCVAR_SERVER, "allow uploading custom resources on a server" );
 CVAR_DEFINE( sv_allow_download, "sv_allowdownload", "1", FCVAR_SERVER, "allow downloading custom resources to the client" );
+static CVAR_DEFINE_AUTO( sv_allow_dlfile, "1", 0, "compatibility cvar, does nothing" );
 CVAR_DEFINE_AUTO( sv_uploadmax, "0.5", FCVAR_SERVER, "max size to upload custom resources (500 kB as default)" );
 CVAR_DEFINE_AUTO( sv_downloadurl, "", FCVAR_PROTECTED, "location from which clients can download missing files" );
 CVAR_DEFINE( sv_consistency, "mp_consistency", "1", FCVAR_SERVER, "enbale consistency check in multiplayer" );
@@ -925,6 +926,7 @@ void SV_Init( void )
 	Cvar_RegisterVariable( &sv_unlagsamples );
 	Cvar_RegisterVariable( &sv_allow_upload );
 	Cvar_RegisterVariable( &sv_allow_download );
+	Cvar_RegisterVariable( &sv_allow_dlfile );
 	Cvar_RegisterVariable( &sv_send_logos );
 	Cvar_RegisterVariable( &sv_send_resources );
 	Cvar_RegisterVariable( &sv_uploadmax );