Correct Random Number

Corrected random number pulled from env variable in calorimeter dataset scripts.

emcal_electrons.cxx

@@ -19,9 +19,8 @@ void emcal_electrons(){
         int        events_parsed = 0;
         GenEvent   evt(Units::GEV, Units::MM);
 
-	// Set up random number generators
-	std::random_device rd;
-	std::mt19937 gen(rd());
+	// Random number pulled from the env variable
+	std::mt19937 gen( std::stoi(std::getenv("SEED")) );	
 	std::uniform_real_distribution<double> uniform_theta(135.0*TMath::DegToRad(),178.0*TMath::DegToRad());  // 135-178[degree]
 	std::uniform_real_distribution<double> uniform_phi(0.0,2*TMath::Pi());                                  // 360[degree]