removed incorrect FrequencyTimer2 namespace from clockCyclesPerMicrosecond

Author: sensorium

MozziGuts.cpp

@@ -440,7 +440,7 @@ static void setupTimer2()
 {
 	backupPreMozziTimer2(); // to reset while pausing
 	unsigned long period = 16000000UL/AUDIO_RATE;
-	period *= FrequencyTimer2::clockCyclesPerMicrosecond();
+	period *= clockCyclesPerMicrosecond();
 	FrequencyTimer2::setPeriodMicroSeconds(period);
 	FrequencyTimer2::setOnOverflow(dummy);
 	FrequencyTimer2::enable();