[Ci-reports] fail on QtWebKit_5.4_Integration #72

[Qt Continuous Integration System]

qtwebkit failed to compile :(

  In file included from css/CSSImageSetValue.cpp:40:
  rendering/style/StylePendingImage.h:61:41: error: assigning to 'WebCore::CSSValue *' from incompatible type 'std::nullptr_t'
  make[3]: *** [.obj/css/CSSImageSetValue.o] Error 1
  make[2]: *** [sub-Target-pri-make_first-ordered] Error 2
  make[1]: *** [sub-Source-WebCore-WebCore-pro-make_first-ordered] Error 2
  make: *** [module-qtwebkit] Error 2

  Build log: http://testresults.qt-project.org/ci/QtWebKit_5.4_Integration/build_00072/macx-clang_developer-build_qtnamespace_OSX_10.7/log.txt.gz

  Tested changes (refs/builds/5.4_1413364664):
    http://codereview.qt-project.org/97033 [PS2] - StylePendingImage needs to correctly manage the CSSValue pointer lifetime