Arslan had actually pointed that out to me in the gmail account, but I uploaded anyway..
Upon looking at the two packages, perhaps this one should be libgudev/libgudev-dev and not contain libudev.so but rather just have udev-dev as a dependency for the libudev.so files. udev-dev could be split into udev-lib and udev-dev, but that is a matter of taste as it is only 132kb size.