[SPARK-SQL] [MINOR] Fixes some typos in HiveContext

Author: Cheng Lian <lian@databricks.com>

Closes #8481 from liancheng/hive-context-typo.

(cherry picked from commit 89b9434)
Signed-off-by: Reynold Xin <rxin@databricks.com>

sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveContext.scala

@@ -171,11 +171,11 @@ class HiveContext(sc: SparkContext) extends SQLContext(sc) with Logging {
    * Overrides default Hive configurations to avoid breaking changes to Spark SQL users.
    *  - allow SQL11 keywords to be used as identifiers
    */
-  private[sql] def defaultOverides() = {
+  private[sql] def defaultOverrides() = {
     setConf(ConfVars.HIVE_SUPPORT_SQL11_RESERVED_KEYWORDS.varname, "false")
   }
 
-  defaultOverides()
+  defaultOverrides()
 
   /**
    * The copy of the Hive client that is used to retrieve metadata from the Hive MetaStore.
@@ -190,8 +190,8 @@ class HiveContext(sc: SparkContext) extends SQLContext(sc) with Logging {
     // into the isolated client loader
     val metadataConf = new HiveConf()
 
-    val defaltWarehouseLocation = metadataConf.get("hive.metastore.warehouse.dir")
-    logInfo("defalt warehouse location is " + defaltWarehouseLocation)
+    val defaultWarehouseLocation = metadataConf.get("hive.metastore.warehouse.dir")
+    logInfo("default warehouse location is " + defaultWarehouseLocation)
 
     // `configure` goes second to override other settings.
     val allConfig = metadataConf.iterator.map(e => e.getKey -> e.getValue).toMap ++ configure

sql/hive/src/main/scala/org/apache/spark/sql/hive/test/TestHive.scala

@@ -437,7 +437,7 @@ class TestHiveContext(sc: SparkContext) extends HiveContext(sc) {
         case (k, v) =>
           metadataHive.runSqlHive(s"SET $k=$v")
       }
-      defaultOverides()
+      defaultOverrides()
 
       runSqlHive("USE default")