[#488] reputation/local/storage: Add trusting peer

Fix iteration logic after adding trusting peer
in `Trust` struct.

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>

pkg/services/reputation/local/storage/storage.go

@@ -9,9 +9,7 @@ import (
 // All values must comply with the requirements imposed on them.
 // Passing incorrect parameter values will result in constructor
 // failure (error or panic depending on the implementation).
-//
-// The component is not parameterizable at the moment.
-type Prm struct{}
+type Prm struct {}
 
 // Storage represents in-memory storage of
 // local reputation values.