[Ci-reports] fail on ssh://codereview.qt-project.org:29418/qt/qtenginio#master

[Qt Continuous Integration System]

`make' failed :(

  /Developer/usr/bin/clang++ -c -pipe -O2 -isysroot /Developer/SDKs/MacOSX10.7.sdk -std=c++11 -stdlib=libc++ -mmacosx-version-min=10.7 -fno-exceptions -Wall -W -fPIE -DQT_NO_LIBUDEV -DQT_NO_EVDEV -DQT_NO_XCB -DQT_NO_XKBCOMMON -DQT_NO_EXCEPTIONS -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -DQT_NO_DEBUG -DQT_ENGINIO_LIB -DQT_WIDGETS_LIB -DQT_NETWORK_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_NAMESPACE=TestNamespace -I/work/build/qt/qtbase/mkspecs/macx-clang -I. -I../../common/backendhelper -I/work/build/qt/qtbase/lib/Enginio.framework/Versions/0/Headers -I/work/build/qt/qtbase/lib/QtWidgets.framework/Versions/5/Headers -I/work/build/qt/qtbase/lib/QtNetwork.framework/Versions/5/Headers -I/work/build/qt/qtbase/lib/QtGui.framework/Versions/5/Headers -I/work/build/qt/qtbase/lib/QtCore.framework/Versions/5/Headers -I.moc -I/Developer/SDKs/MacOSX10.7.sdk/System/Library/Frameworks/OpenGL.framework/Versions/A/Headers -I/Developer/SDKs/MacOSX10.7.sdk/System/Library/Frameworks/AGL.framework/Headers -I.uic -F/work/build/qt/qtbase/lib -o .obj/backendhelper.o ../../common/backendhelper/backendhelper.cpp
  make[4]: *** [.obj/backendhelper.o] Error 1
  make[3]: *** [sub-cloudaddressbook-make_first] Error 2
  make[2]: *** [sub-widgets-make_first] Error 2
  make[1]: *** [sub-examples-make_first] Error 2
  make: *** [module-qtenginio] Error 2

  Build log: http://testresults.qt-project.org/ci/QtEnginio_master_Integration/build_00031/macx-clang_developer-build_qtnamespace_OSX_10.7/log.txt.gz

  Tested changes (refs/builds/master_1383551577):
    http://codereview.qt-project.org/68473 [PS8] - New example addressbook.
    http://codereview.qt-project.org/70063 [PS1] - Remove last bits of EnginioBasicAuthentication