fixup: use correct var name

Author: not-matthias

testing/testing/benchmark.go

@@ -938,8 +938,8 @@ func (s *benchState) processBench(b *B) {
 				Name:                   benchName,
 				Uri:                    benchUri,
 				Pid:                    os.Getpid(),
-				CodspeedTimePerRoundNs: r.codspeedTimePerRoundNs,
-				CodspeedItersPerRound:  r.codspeedItersPerRound,
+				CodspeedTimePerRoundNs: r.CodspeedTimePerRoundNs,
+				CodspeedItersPerRound:  r.CodspeedItersPerRound,
 			}
 
 			goRunnerMetadata, err := findGoRunnerMetadata()