address comment

Author: mgaido91

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/FunctionRegistry.scala

@@ -267,6 +267,7 @@ object FunctionRegistry {
     expression[Subtract]("-"),
     expression[Multiply]("*"),
     expression[Divide]("/"),
+    expression[IntegralDivide]("div"),
     expression[Remainder]("%"),
 
     // aggregate functions