Merge branch 'dk/t5813-unc-paths' into maint

Test portability fix for a topic in v2.6.1. * dk/t5813-unc-paths: t5813: avoid creating urls that break on cygwin

Jeff King committed Dec 1, 2015 at 17:20 UTC 76fdb0640e4a3b305e1d1eaf9d9c3726cd9f7128

No changes.