[QGIS Commit] [qgis/Quantum-GIS] 8da496: fix NULL support in expression evaluation

[noreply at github.com]

  Branch: refs/heads/master
  Home:   https://github.com/qgis/Quantum-GIS

  Commit: 8da496e6d77c75b8c8c0fd3435845f133875ca09
      https://github.com/qgis/Quantum-GIS/commit/8da496e6d77c75b8c8c0fd3435845f133875ca09
  Author: Juergen E. Fischer <jef at norbit.de>
  Date:   2011-11-03 (Thu, 03 Nov 2011)

  Changed paths:
    M src/core/qgsexpression.cpp
  M src/core/qgspallabeling.cpp

  Log Message:
  -----------
  fix NULL support in expression evaluation