Broken dependencies: perl-Kwiki-UserPreferences

[Fedora Koji Build System]

perl-Kwiki-UserPreferences has broken dependencies in the F-15 tree:
On sparc64:
	perl-Kwiki-UserPreferences-0.13-13.fc15.noarch requires perl(mixin)
On sparc:
	perl-Kwiki-UserPreferences-0.13-13.fc15.noarch requires perl(mixin)
Please resolve this as soon as possible.