Port towards return with a braced init list
Port towards return with a braced init list

Replaces explicit calls to the constructor in a return with a braced
initializer list. This way the return type is not needlessly duplicated in
the function definition and the return statement.

lxde/libqtxdg,libqtxdg/libqtxdg,lxde/libqtxdg,libqtxdg/libqtxdg