pv-runtime: Refactor how we deal with regenerating ld.so.cache
The PvRuntime already provides pv-wrap with a pre-configured pv-adverb command-line, so we can repurpose that to include the necessary command-line options to regenerate the ld.so.cache the way we want it.
Resolves: #74 (closed)
/cc @denittis
Edited by Simon McVittie