This bug was fixed in the package qtwebkit-source -
2.1~git20101116-0ubuntu9
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qtwebkit-source (2.1~git20101116-0ubuntu9) natty; urgency=low
* Fix installation destination of qt_webkit_version.pri (LP: #681345)
-- Rico TzschichholzSat, 04 Dec 2010 21:32:53 +0100
** Changed i
Patch to fix this problem is attached.
** Patch added:
"qtwebkit-source_2.1~git20101116-0ubuntu8_2.1~git20101116-0ubuntu9.diff"
https://bugs.edge.launchpad.net/ubuntu/+source/qtwebkit-source/+bug/681345/+attachment/1755627/+files/qtwebkit-source_2.1%7Egit20101116-0ubuntu8_2.1%7Egit20101116-0u