[Minor] Trivial fix to make codes more readable

It should just use `maxResults` there.

Author: Liang-Chi Hsieh <[email protected]>

Closes #2654 from viirya/trivial_fix and squashes the following commits:

1362289 [Liang-Chi Hsieh] Trivial fix to make codes more readable.

Author: viirya

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

@@ -268,7 +268,7 @@ class HiveContext(sc: SparkContext) extends SQLContext(sc) {
    */
   protected[sql] def runSqlHive(sql: String): Seq[String] = {
     val maxResults = 100000
-    val results = runHive(sql, 100000)
+    val results = runHive(sql, maxResults)
     // It is very confusing when you only get back some of the results...
     if (results.size == maxResults) sys.error("RESULTS POSSIBLY TRUNCATED")
     results