D24413: Fix Increase/Decrease Volume shortcuts

[Wolfgang Bauer]

wbauer created this revision.
wbauer added a reviewer: Amarok.
wbauer added a project: Amarok.
Herald removed a project: Amarok.
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REVISION SUMMARY
  `EngineController::increaseVolume( int ticks )` and `EngineController::decreaseVolume( int ticks )` take an argument that specifies the amount by which to increase/decrease the volume.
  But it gets called with 0 as argument when pressing the shortcut key, so the volume was not changed at all.
  
  To make the keyboard shortcuts work, create new slots that don't take arguments and call the previous ones with the default value.

TEST PLAN
  Press the increase or decrease volume shortcut keys (+ and - by default), the volume is actually changed now, before they had no effect.

REPOSITORY
  R181 Amarok

REVISION DETAIL
  https://phabricator.kde.org/D24413

AFFECTED FILES
  src/EngineController.cpp
  src/EngineController.h
  src/MainWindow.cpp

To: wbauer, #amarok
Cc: amarok-devel, #amarok
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