Review Request 118666: Simple Cleanups

[Thomas Braxton]

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https://git.reviewboard.kde.org/r/118666/
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Review request for KDE Frameworks and Matthew Dawson.


Repository: kconfig


Description
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Simple Cleanups
- use Q_NULLPTR instead of 0 or NULL
- simplify some foreach loops
- use QStringLiteral in a few places
- added a few consts


Diffs
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  autotests/kconfigloadertest.cpp 451d636e4e584a97d897634b1db1459b47e12355 
  src/core/kconfig.h d27eebe7c41cb433b1808882c53cbf7b4c870950 
  src/core/kconfig.cpp ea9746c001e235529a1cdd5865b9e1b5c129b56a 
  src/core/kconfigbackend.cpp 90655facb49ebb1702fa1635ae5db3fc11fc31a3 
  src/core/kconfigdata.h e57becb24936865d009a700892893049b3e079f1 
  src/core/kconfiggroup.h 3c4bce8433e3c5d4cb2d9fdd111a43f04cf3c295 
  src/core/kconfiggroup.cpp 6f609baefec5beaf38fdfedd6d192b395e3f8acb 
  src/core/kconfigini.cpp df834f57fc44bbf9f4f28f1bc4eb5717e2ff1cee 
  src/core/kcoreconfigskeleton.h bb9c1cf936b87e2456726a2bb3428be42558b39f 
  src/gui/kconfiggroupgui.cpp a14c204c143b38189f042c37ccbe1bf6355a2a18 
  src/gui/kconfiggui.cpp 1eee8ce50fd660f11cad53c2a493072317e1f331 
  src/gui/kconfigloader.h 36eb182fbf1c241a043566a13d7c6c123a6e455f 
  src/gui/kconfigloader.cpp 1dd9e7fc44a367165fedc2e7760c8b524ecd210e 
  src/gui/kconfigskeleton.h f87eef6e5268a3b4e93fd733f70a2bdd4c4be753 
  src/kconf_update/kconf_update.cpp 829d35e61da3d303539044d0dc652cc99dec35a2 
  src/kconf_update/kconfigutils.cpp f2663e1316ec2cdbef303385787d14406e02f4a1 

Diff: https://git.reviewboard.kde.org/r/118666/diff/


Testing
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All tests still pass


Thanks,

Thomas Braxton

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