net-mgmt/smokeping: Add orphaned files to plist

Add 3 missing files to pkg-plist reported as orphaned

• man/man1/smokeinfo.1.gz
• man/man3/Smokeping_matchers_ConsecutiveLoss.3.gz
• smokeping/lib/Smokeping/matchers/ConsecutiveLoss.pm

PR: 265372
Reported by: yasu