[Kst] kst_threading_branch: kdeextragear-2/kst/kst

[George Staikos]

CVS commit by staikos: 

add implicit recursive locking to the data object derivatives


  M +70 -9     kstdataobject.cpp   1.20.2.5
  M +5 -0      kstdataobject.h   1.22.2.4
  M +8 -8      rwlock.cpp   1.1.2.4
  M +12 -3     updatethread.cpp   1.1.2.9