glretrace: Assign callNo earlier.
glretrace: Assign callNo earlier.

So that GL debug messages while dumping snapshot get the right call no.

apitrace/apitrace,trtt/apitrace,trtt/apitrace,surround-io/apitrace,schulmar/apitrace,tuanthng/apitrace,apitrace/apitrace,swq0553/apitrace,schulmar/apitrace,joshua5201/apitrace,apitrace/apitrace,joshua5201/apitrace,EoD/apitrace,trtt/apitrace,surround-io/apitrace,EoD/apitrace,schulmar/apitrace,joshua5201/apitrace,tuanthng/apitrace,surround-io/apitrace,surround-io/apitrace,joshua5201/apitrace,apitrace/apitrace,EoD/apitrace,EoD/apitrace,tuanthng/apitrace,swq0553/apitrace,EoD/apitrace,trtt/apitrace,swq0553/apitrace,surround-io/apitrace,swq0553/apitrace,tuanthng/apitrace,joshua5201/apitrace,schulmar/apitrace,tuanthng/apitrace,trtt/apitrace,schulmar/apitrace,swq0553/apitrace