[cairo] Fix qt-surface compilation, also minor fix for building against Qt5

[Oleg Romashin]

Update qt-surface code to latest trunk API changes
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.cairographics.org/archives/cairo/attachments/20120212/320a6178/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 0001-Make-cairo-qt-surface-compiling.patch
Type: text/x-patch
Size: 11199 bytes
Desc: not available
URL: <http://lists.cairographics.org/archives/cairo/attachments/20120212/320a6178/attachment.bin>