firefox-extension uninstallable without krb4

[broder]

firefox-extension depends on libkrb53, which no longer exists in krb4-less systems.

Is this just to make sure the library is installed for SPNEGO?

[rbasch]

I don't know of any other reason why that dependency would be there, and this should probably not be a strict dependency in any case; if anything, a Recommends or Suggests would be more appropriate, but I wouldn't have a problem with simply removing the dependency. If the library isn't available, then any SPNEGO attempt should just fail uncatastrophically.

[broder]

If that's all it's there for, and we still wanted the dependency, we could also do a libkrb53 | libkrb5-3 dependency.

[andersk]

As discussed on zephyr, you mean libgssapi-krb5-2 | libkrb53.

[broder]

Fixed in -proposed.