Fix comparisong bug in razor_set_diff().
We could end up calling the callback for p1 even if it's NULL, if p2 != NULL
and the previous comparison left res == -1.
4 <package name="bash" version="3.2-18.fc8">
5 <requires name="libc.so.6"/>
6 <requires name="config(bash)" eq="3.2-18.fc8"/>
7 <provides name="bash" eq="3.2-18.fc8"/>
9 <file name="/bin/bash"/>
14 <package name="nss" version="1.8-fc10">
15 <provides name="nss" eq="1.8-fc10"/>
16 <file name="/bin/nss"/>
19 <package name="x" version="2">
20 <conflicts name="y" eq="1.1"/>