HID plugin: fixed build on Qt4
HID plugin: fixed build on Qt4

nedmech/qlcplus,plugz/qlcplus,nedmech/qlcplus,joepadmiraal/qlcplus,plugz/qlcplus,hveld/qlcplus,mcallegari/qlcplus,peternewman/qlcplus,bjlupo/rcva_qlcplus,joepadmiraal/qlcplus,hveld/qlcplus,hveld/qlcplus,mcallegari/qlcplus,sbenejam/qlcplus,mcallegari/qlcplus,kripton/qlcplus,plugz/qlcplus,hveld/qlcplus,mcallegari/qlcplus,sbenejam/qlcplus,bjlupo/rcva_qlcplus,nedmech/qlcplus,sbenejam/qlcplus,peternewman/qlcplus,peternewman/qlcplus,peternewman/qlcplus,kripton/qlcplus,hveld/qlcplus,sbenejam/qlcplus,bjlupo/rcva_qlcplus,joepadmiraal/qlcplus,kripton/qlcplus,plugz/qlcplus,nedmech/qlcplus,bjlupo/rcva_qlcplus,bjlupo/rcva_qlcplus,sbenejam/qlcplus,mcallegari/qlcplus,plugz/qlcplus,kripton/qlcplus,hveld/qlcplus,nedmech/qlcplus,nedmech/qlcplus,plugz/qlcplus,kripton/qlcplus,bjlupo/rcva_qlcplus,peternewman/qlcplus,joepadmiraal/qlcplus,plugz/qlcplus,kripton/qlcplus,sbenejam/qlcplus,joepadmiraal/qlcplus,mcallegari/qlcplus,peternewman/qlcplus,sbenejam/qlcplus,joepadmiraal/qlcplus,mcallegari/qlcplus,kripton/qlcplus