Fix file case
Fix file case

(cherry picked from commit 03dd5c0ec3ae826dac8910a2f4ae83b6736c926b)

# Conflicts:
#	urbackupserver/urbackupserver.vcxproj

uroni/urbackup_backend,uroni/urbackup_backend,uroni/urbackup_backend,uroni/urbackup_backend,uroni/urbackup_backend,uroni/urbackup_backend,uroni/urbackup_backend