[Kst] kdeextragear-2/kst/kst

[George Staikos]

CVS commit by staikos: 

return a sensible default label, as the function docs suggest
-> makes plot labels for filtered slave vectors work


  M +1 -1      kstvector.cpp   1.52


--- kdeextragear-2/kst/kst/kstvector.cpp  #1.51:1.52
@@ -370,5 +370,5 @@ void KstVector::SetNewAndShift(int inNew
 
 QString KstVector::label() const {
-  return QString::null;
+  return tagName(); // default
 }