fixed struct alignment && refactor linter (#369)

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Reviewed-on: #369
Co-authored-by: Evstigneev Denis <danteevstigneev@yandex.ru>
Co-committed-by: Evstigneev Denis <danteevstigneev@yandex.ru>

util/socket/pool.go

@@ -6,8 +6,8 @@ import (
 
 // Pool holds the socket pool
 type Pool struct {
-	sync.RWMutex
 	pool map[string]*Socket
+	sync.RWMutex
 }
 
 // Get socket from pool