Updating dependancies. (#9303)

vendor/go.uber.org/zap/CHANGELOG.md

@@ -1,12 +1,18 @@
 # Changelog
 
+## v1.9.1 (06 Aug 2018)
+
+Bugfixes:
+
+* [#614][]: MapObjectEncoder should not ignore empty slices.
+
 ## v1.9.0 (19 Jul 2018)
 
 Enhancements:
 * [#602][]: Reduce number of allocations when logging with reflection.
 * [#572][], [#606][]: Expose a registry for third-party logging sinks.
 
-Thanks to @nfarah86, @AlekSi, @JeanMertz, @phillippgille, @etsangsplk, and
+Thanks to @nfarah86, @AlekSi, @JeanMertz, @philippgille, @etsangsplk, and
 @dimroc for their contributions to this release.
 
 ## v1.8.0 (13 Apr 2018)
@@ -296,3 +302,4 @@ upgrade to the upcoming stable release.
 [#602]: https://github.com/uber-go/zap/pull/602
 [#572]: https://github.com/uber-go/zap/pull/572
 [#606]: https://github.com/uber-go/zap/pull/606
+[#614]: https://github.com/uber-go/zap/pull/614

vendor/go.uber.org/zap/zapcore/memory_encoder.go

@@ -43,7 +43,7 @@ func NewMapObjectEncoder() *MapObjectEncoder {
 
 // AddArray implements ObjectEncoder.
 func (m *MapObjectEncoder) AddArray(key string, v ArrayMarshaler) error {
-	arr := &sliceArrayEncoder{}
+	arr := &sliceArrayEncoder{elems: make([]interface{}, 0)}
 	err := v.MarshalLogArray(arr)
 	m.cur[key] = arr.elems
 	return err