Merge branch 'bc/wildcard-credential'

Update the parser used for credential.<URL>.<variable>
configuration, to handle <URL>s with '/' in them correctly.

* bc/wildcard-credential:
  credential: fix matching URLs with multiple levels in path

diff --cc credential.c
Simple merge

diff --cc strbuf.c
Simple merge

diff --cc strbuf.h
Simple merge

diff --cc t/t0300-credentials.sh
Simple merge