Fix some compile warnings and link error with root 5.

src/THcDC.h

@@ -189,7 +189,7 @@ protected:
   // double tan_angle, sin_angle, cos_angle;
 
   // Intermediate structure for building
-  static const char MAXTRACKS = 10;
+  static const UInt_t MAXTRACKS = 10;
 
   std::vector<THcDriftChamberPlane*> fPlanes; // List of plane objects
   std::vector<THcDriftChamber*> fChambers; // List of chamber objects

src/THcHelicityReader.h

@@ -21,8 +21,6 @@ public:
   THcHelicityReader();
   virtual ~THcHelicityReader();
   
-  void Print();
-
   struct ROCinfo {
     Int_t  roc;               // ROC to read out
     Int_t  slot;            // Headers to search for (0 = ignore)

src/THcRun.cxx

@@ -40,7 +40,7 @@ THcRun::THcRun( const vector<TString>& pathList, const char* filename,
 }
 
 //_____________________________________________________________________________
-THcRun& THcRun::operator=(const THaRun& rhs)
+THcRun& THcRun::operator=(const THaRunBase& rhs)
 {
   // Assignment operator.  Not really sure what I (saw) am doing here.
 

src/THcRun.h

@@ -17,7 +17,7 @@ class THcRun : public THaRun {
   THcRun( const THcRun& run );
   THcRun( const std::vector<TString>& pathList, const char* filename,
   	  const char* description="" );
-  virtual THcRun& operator=( const THaRun& rhs );
+  THcRun& operator=( const THaRunBase& rhs );
   virtual ~THcRun();
   virtual void         Print( Option_t* opt="" ) const;
   THcParmList* GetHCParms() const { return fHcParms; }