Index: trunk/MagicSoft/Mars/mdata/MDataArray.cc
===================================================================
--- trunk/MagicSoft/Mars/mdata/MDataArray.cc	(revision 1493)
+++ trunk/MagicSoft/Mars/mdata/MDataArray.cc	(revision 1499)
@@ -82,5 +82,5 @@
 }
 
-void MDataArray::Print(Option_t *opt = "") const
+void MDataArray::Print(Option_t *opt) const
 {
     Int_t n=0;