Patch from Sami Nurmenniemi. Emits searchingChanged(false) when scanning is aborted because it was initiated too close to the limits of the frequency range. Change-Id: I15a1334c8a7058dd8eb413c2742f8f12aed7bed5 Reviewed-on: http://codereview.qt-project.org/5570 Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com> Reviewed-by: Michael Goddard <michael.goddard@nokia.com>