Use debug1() when reporting paths skipped
Use debug1() when reporting paths skipped

Skipping paths during indexing is a normal event not indicative of any
problems, so need not be reported in normal operation.

Signed-off-by: Aneurin Price <5b1f817436771662fdf270cef674eb087369d91e@gmail.com>

jbaber/bup,mhoeher/bup,tjanez/bup,mhoeher/bup,jbaber/bup,jbaber/bup,gevaerts/bup,apenwarr/bup,apenwarr/bup,ToxicFrog/bup,ToxicFrog/bup,pombredanne/bup,gevaerts/bup,mhoeher/bup,pombredanne/bup,gevaerts/bup,tjanez/bup,tjanez/bup,pombredanne/bup,mhoeher/bup,pombredanne/bup,tjanez/bup,tjanez/bup,ToxicFrog/bup,mhoeher/bup,gevaerts/bup,pombredanne/bup,apenwarr/bup,jbaber/bup,jbaber/bup,gevaerts/bup,ToxicFrog/bup,ToxicFrog/bup,pombredanne/bup,mhoeher/bup,jbaber/bup,apenwarr/bup,tjanez/bup