[log] fix year format (#3125)

Refs #3060

CHANGELOG_PENDING.md

@@ -7,7 +7,7 @@ Special thanks to external contributors on this release:
 ### BREAKING CHANGES:
 
 * CLI/RPC/Config
-- [types] consistent field order of `CanonicalVote` and `CanonicalProposal` 
+- [types] consistent field order of `CanonicalVote` and `CanonicalProposal`
 
 * Apps
 
@@ -23,3 +23,4 @@ Special thanks to external contributors on this release:
 ### IMPROVEMENTS:
 
 ### BUG FIXES:
+- [log] \#3060 fix year format

libs/log/tmfmt_logger.go

@@ -90,7 +90,7 @@ func (l tmfmtLogger) Log(keyvals ...interface{}) error {
 	//     D										- first character of the level, uppercase (ASCII only)
 	//     [2016-05-02|11:06:44.322]    - our time format (see https://golang.org/src/time/format.go)
 	//     Stopping ...					- message
-	enc.buf.WriteString(fmt.Sprintf("%c[%s] %-44s ", lvl[0]-32, time.Now().Format("2016-01-02|15:04:05.000"), msg))
+	enc.buf.WriteString(fmt.Sprintf("%c[%s] %-44s ", lvl[0]-32, time.Now().Format("2006-01-02|15:04:05.000"), msg))
 
 	if module != unknown {
 		enc.buf.WriteString("module=" + module + " ")