util-logging: add missing type ascription to Logger's apply method

Add missing `_*` to fix potential `java.util.UnknownFormatConversionException`
if the log message string contains printf-like things.

Signed-off-by: Bryce Anderson <banderson@twitter.com>

JIRA Issues: CSL-9356

Differential Revision: https://phabricator.twitter.biz/D430122

CHANGELOG.rst

@@ -13,6 +13,11 @@ Breaking API Changes
 * util-core: `Future.unapply` has been removed. Use `Future.poll` to retrieve Future's
   state. ``PHAB_ID=D427429``
 
+Bug Fixes
+~~~~~~~~~
+
+* util-logging: Add a missing `_*` that could result in exceptions when using the
+  `Logger.apply(Level, Throwable, String, Any*)` signature. ``PHAB_ID=D430122``
 
 20.1.0
 ------

util-logging/src/main/scala/com/twitter/logging/Logger.scala

@@ -83,7 +83,7 @@ class Logger protected (val name: String, private val wrapped: javalog.Logger) {
   final def apply(level: Level, message: String, items: Any*): Unit = log(level, message, items: _*)
 
   final def apply(level: Level, thrown: Throwable, message: String, items: Any*): Unit =
-    log(level, thrown, message, items)
+    log(level, thrown, message, items: _*)
 
   // convenience methods:
   @varargs

util-logging/src/test/scala/com/twitter/logging/LoggerTest.scala

@@ -205,7 +205,9 @@ class LoggerTest extends WordSpec with TempFolder with BeforeAndAfter {
     "log & trace a message with percent signs" in {
       traceLogger(Level.INFO)
       Logger.get("")(Level.INFO, "%i")
+      Logger.get("")(Level.INFO, new Exception(), "%j")
       mustLog("%i")
+      mustLog("%j")
     }
 
     "log a message, with timestamp" in {