WsprTxScheduler improvements.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@5715 ab8295b8-cf94-4d9e-aec4-7959e3be5d79

WSPRBandHopping.cpp

@@ -6,6 +6,7 @@
 #include <QList>
 #include <QSet>
 #include <QtWidgets>
+#include <sys/time.h>
 
 #include "SettingsGroup.hpp"
 #include "Configuration.hpp"
@@ -118,6 +119,12 @@ Dialog::Dialog (QSettings * settings, Configuration const * configuration, BandL
   main_layout->addLayout (bottom_layout);
 
   setLayout (main_layout);
+    
+  //init random seed for random number generator used in tx scheduler
+  struct timeval time;
+  gettimeofday(&time,NULL);
+  srand((time.tv_sec*1000)+(time.tv_usec/1000));
+    
 }
 
 Dialog::~Dialog ()