Review Request 129588: http slave: add newlines to long error message

[Elvis Angelaccio]

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https://git.reviewboard.kde.org/r/129588/
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Review request for KDE Frameworks and David Faure.


Repository: kio


Description
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Otherwise Dolphin shows an error dialog with too much width.


Diffs
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  src/ioslaves/http/http.cpp 62eb09d2882097c3dea99ea73fd1933cea4376a7 

Diff: https://git.reviewboard.kde.org/r/129588/diff/


Testing
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See screenshots.


File Attachments
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Before
  https://git.reviewboard.kde.org/media/uploaded/files/2016/11/29/bb368736-5987-4800-996f-2e05c4971d7f__Spectacle.a29637.png
After
  https://git.reviewboard.kde.org/media/uploaded/files/2016/11/29/456f0afe-d192-4e09-8c9a-1fa0b27f5bb4__6wJEi10.png


Thanks,

Elvis Angelaccio

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