Merge branch 'jk/bloom-leak-fixes'

Various memory leaks in the Bloom-filter code paths that are exposed
when running tests with the 'GIT_TEST_COMMIT_GRAPH_CHANGED_PATHS=1'
environment variable have been plugged.

* jk/bloom-leak-fixes:
  line-log: drop extra copy of range with bloom filters
  revision: avoid leaking bloom keyvecs with multiple traversals
  bloom: make bloom-filter slab initialization idempotent

diff --cc line-log.c
Simple merge

diff --cc revision.c
Simple merge