libzip-devel-1.5.0-1.1 advertises a broken path in its pkgconfig file:

> $ pkg-config --libs libzip    opensuse-haskell/git/master 
> -L/usr//usr/lib64 -lzip -lbz2 -lz

Builds that actually try to use that path fail on OBS:

> RPM build errors:
> calling /usr/lib/rpm/brp-suse.d/brp-35-rpath
> ERROR: RPATH "/usr//usr/lib64" on /home/abuild/rpmbuild/BUILDROOT/ghc-LibZip-1.0.1-3.2.x86_64/usr/lib64/ghc-8.2.2/LibZip-1.0.1-FiMsivX6B9d73v5MxyCtdL/libHSLibZip-1.0.1-FiMsivX6B9d73v5MxyCtdL-ghc8.2.2.so is not allowed
> error: Bad exit status from /var/tmp/rpm-tmp.aD2iQ3 (%install)