Update dlog

Gopkg.lock

@@ -77,10 +77,10 @@
   revision = "0fb14efe8c47ae851c0034ed7a448854d3d34cf3"
 
 [[projects]]
+  branch = "master"
   name = "github.com/jedisct1/dlog"
   packages = ["."]
-  revision = "2318da0182ccf19c77f0dab8a97c5eacd111cb84"
-  version = "0.2"
+  revision = "9025b39d3d9a4e268e01f536c71c6177518fc461"
 
 [[projects]]
   branch = "master"

vendor/github.com/jedisct1/dlog/Gopkg.lock

@@ -15,11 +15,11 @@
     "windows/registry",
     "windows/svc/eventlog"
   ]
-  revision = "2c42eef0765b9837fbdab12011af7830f55f88f0"
+  revision = "37707fdb30a5b38865cfb95e5aab41707daec7fd"
 
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "7dd24393da8db7d16249fa8f14426fb6418a2cefca2045da212cf4f299a5a1f0"
+  inputs-digest = "328c0e201a8f9b84770fc7b0efb002f50e64da384499776e57cc1edb38b26a51"
   solver-name = "gps-cdcl"
   solver-version = 1

vendor/github.com/jedisct1/dlog/Gopkg.toml

@@ -1,3 +1,7 @@
 [[constraint]]
   branch = "master"
   name = "github.com/hashicorp/go-syslog"
+
+[[constraint]]
+  branch = "master"
+  name = "golang.org/x/sys"

vendor/github.com/jedisct1/dlog/dlog.go

@@ -22,12 +22,18 @@ type globals struct {
 	systemLogger   *systemLogger
 	fileName       *string
 	outFd          *os.File
+	lastMessage    string
+	lastOccurrence time.Time
+	occurrences    uint64
 }
 
 var (
 	_globals = globals{
 		logLevel:       SeverityLast,
 		appName:        "-",
+		lastMessage:    "",
+		lastOccurrence: time.Now(),
+		occurrences:    0,
 	}
 )
 
@@ -42,6 +48,11 @@ const (
 	SeverityLast
 )
 
+const (
+	FloodDelay      = 5 * time.Second
+	FloodMinRepeats = 3
+)
+
 var SeverityName = []string{
 	SeverityDebug:    "DEBUG",
 	SeverityInfo:     "INFO",
@@ -183,6 +194,18 @@ func logf(severity Severity, format string, args ...interface{}) {
 	}
 	_globals.Lock()
 	defer _globals.Unlock()
+	if _globals.lastMessage == message {
+		if time.Since(_globals.lastOccurrence) < FloodDelay {
+			_globals.occurrences++
+			if _globals.occurrences > FloodMinRepeats {
+				return
+			}
+		}
+	} else {
+		_globals.occurrences = 0
+		_globals.lastMessage = message
+	}
+	_globals.lastOccurrence = now
 	if *_globals.useSyslog && _globals.systemLogger == nil {
 		systemLogger, err := newSystemLogger(_globals.appName, _globals.syslogFacility)
 		if err == nil {