Comment 9 for bug 1481279

Stack trace:

#0 0xad3daf98 in deallocate (this=<optimized out>, __p=<optimized out>)
    at /usr/include/c++/5/ext/new_allocator.h:110
#1 deallocate (__a=..., __n=<optimized out>, __p=<optimized out>)
    at /usr/include/c++/5/bits/alloc_traits.h:386
#2 _M_destroy (__size=<optimized out>, this=<optimized out>)
    at /usr/include/c++/5/bits/basic_string.h:185
#3 _M_dispose (this=0xbe8fd794) at /usr/include/c++/5/bits/basic_string.h:180
#4 ~basic_string (this=0xbe8fd794, __in_chrg=<optimized out>)
    at /usr/include/c++/5/bits/basic_string.h:544
#5 interface_name () at /usr/include/core/dbus/traits/service.h:34
#6 invoke_method_synchronously<ubuntu::application::sensors::USensorD::Haptic::Vibrate, void, unsigned int> (this=<optimized out>)
    at /usr/include/core/dbus/impl/object.h:71
#7 ua_sensors_haptic_vibrate_once (sensor=<optimized out>,
    duration=<optimized out>)
    at /build/platform-api-qm_L3b/platform-api-3.0.0+15.10.20150730/src/ubuntu/application/common/application/sensors/service.cpp:93
#8 0xa8600e8e in QFeedbackHapticsEffect::setState(QFeedbackEffect::State) ()
   from /usr/lib/arm-linux-gnueabihf/libQt5Feedback.so.5
#9 0xa7d2deb6 in ?? ()
   from /usr/lib/arm-linux-gnueabihf/qt5/qml/QtFeedback/libdeclarative_feedback.so