adjusted ipg time

linux/avb/JackAVBDriver.cpp

@@ -90,7 +90,7 @@ JackAVBPDriver::JackAVBPDriver(const char* name, const char* alias, JackLockedEn
                   num_periods
                  );
 
-                 &(this->ieee1722mc)->period_usecs = period_size / sample_rate * 1000000;
+                 this->ieee1722mc.period_usecs = period_size / sample_rate * 1000000;
 }
 
 JackAVBPDriver::~JackAVBPDriver()