IMPALA-13511: Addendum, fixed wrong case statement

This was changed in code review. Because this is for the Calcite
planner, the unit tests aren't in place yet.

Change-Id: I12583f571392513055d73b74001a021cfc2c9813
Reviewed-on: http://gerrit.cloudera.org:8080/22098
Reviewed-by: Michael Smith <michael.smith@cloudera.com>
Tested-by: Michael Smith <michael.smith@cloudera.com>

java/calcite-planner/src/main/java/org/apache/impala/calcite/type/ImpalaSqlIntervalQualifier.java

@@ -71,6 +71,8 @@ public class ImpalaSqlIntervalQualifier extends SqlIntervalQualifier {
       case MILLISECOND:
       case MICROSECOND:
       case NANOSECOND:
+        break;
+      default:
         return super.evaluateIntervalLiteral(value, pos, typeSystem);
     }