[SPARK-15334][SQL][HOTFIX] Fixes compilation error for Scala 2.10

## What changes were proposed in this pull request?

This PR fixes a Scala 2.10 compilation failure introduced in PR #13127.

## How was this patch tested?

Jenkins build.

Author: Cheng Lian <lian@databricks.com>

Closes #13166 from liancheng/hotfix-for-scala-2.10.

sql/hive/src/test/scala/org/apache/spark/sql/hive/client/VersionsSuite.scala

@@ -137,7 +137,7 @@ class VersionsSuite extends SparkFunSuite with Logging {
           hiveMetastoreVersion = version,
           hadoopVersion = VersionInfo.getVersion,
           sparkConf = sparkConf,
-          hadoopConf,
+          hadoopConf = hadoopConf,
           config = buildConf(),
           ivyPath = ivyPath).createClient()
     }