Index: trunk/MagicSoft/Mars/mhist/MHEffOnTime.cc
===================================================================
--- trunk/MagicSoft/Mars/mhist/MHEffOnTime.cc	(revision 1668)
+++ trunk/MagicSoft/Mars/mhist/MHEffOnTime.cc	(revision 1669)
@@ -159,5 +159,5 @@
     // GetQuantiles doesn't seem to be available in root 3.01/06
     Double_t xq[2] = { min, max };
-    h.GetQuantiles(2, yq, xq);
+    ((TH1&)h).GetQuantiles(2, yq, xq);
 #endif
 }
Index: trunk/MagicSoft/Mars/mhist/MHGamma.cc
===================================================================
--- trunk/MagicSoft/Mars/mhist/MHGamma.cc	(revision 1668)
+++ trunk/MagicSoft/Mars/mhist/MHGamma.cc	(revision 1669)
@@ -74,5 +74,5 @@
 }
 
-TObject *MHGamma::DrawClone(Option_t *opt="") const
+TObject *MHGamma::DrawClone(Option_t *opt) const
 {
     DrawClone1();
@@ -102,5 +102,5 @@
      canvtitle += titlez+" ";
      */
-    canvtitle += "for \'gamma\' sample";
+    canvtitle += "for 'gamma' sample";
 
     TCanvas &c = *MakeDefCanvas("Alpha", canvtitle);