Tweak recent THcScalerEvtHandler changes for gcc 4.4.7 compatibility

  Add #include <set>
  Don't use new method of looping over vector

src/THcScalerEvtHandler.cxx

@@ -86,7 +86,9 @@ Int_t THcScalerEvtHandler::End( THaRunBase* r)
   // Process any delayed events in order received
 
   cout << "THcScalerEvtHandler::End Analyzing " << fDelayedEvents.size() << " delayed scaler events" << endl;
-  for(UInt_t* rdata : fDelayedEvents) {
+  for(std::vector<UInt_t*>::iterator it = fDelayedEvents.begin();
+      it != fDelayedEvents.end(); ++it) {
+    UInt_t* rdata = *it;
     AnalyzeBuffer(rdata);
   }
   fDelayedEvents.clear();	// Does this free the arrays?

src/THcScalerEvtHandler.h

@@ -14,6 +14,7 @@
 #include "Decoder.h"
 #include <string>
 #include <vector>
+#include <set>
 #include "TTree.h"
 #include "TString.h"