[QGIS Commit] [qgis/QGIS] 1c0d5e: fix warnings

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/qgis/QGIS
  Commit: 1c0d5e2f217b16e4fc6f01ed31517302a7503239
      https://github.com/qgis/QGIS/commit/1c0d5e2f217b16e4fc6f01ed31517302a7503239
  Author: Juergen E. Fischer <jef at norbit.de>
  Date:   2014-03-15 (Sat, 15 Mar 2014)

  Changed paths:
    M src/core/qgsexpression.cpp
    M src/core/qgsmaplayer.cpp
    M src/core/symbology-ng/qgssymbollayerv2utils.cpp

  Log Message:
  -----------
  fix warnings