[Differential] [Request, 3 lines] D3739: Correctly initialise and compare pa_cvolume structs

[davidedmundson (David Edmundson)]

davidedmundson created this revision.
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REVISION SUMMARY
  Previously m_volume was uninitialised, resulting in a comparison on
  garbage data when first run.
  By using the proper pulse audio methods we can make sure to initialise
  the variable and use a faster compare than memcmp.

REPOSITORY
  R115 Plasma Audio Volume Applet

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D3739

AFFECTED FILES
  src/volumeobject.cpp
  src/volumeobject.h

EMAIL PREFERENCES
  https://phabricator.kde.org/settings/panel/emailpreferences/

To: davidedmundson, #plasma
Cc: plasma-devel, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas
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