[incubator-hivemall] 09/10: Added curly braces

[my...@apache.org]

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myui pushed a commit to branch HIVEMALL-253-2
in repository https://gitbox.apache.org/repos/asf/incubator-hivemall.git

commit fc756f46e604a3bc99efaeef544883803a84e9cc
Author: Makoto Yui <my...@apache.org>
AuthorDate: Mon Jun 10 15:49:17 2019 +0900

    Added curly braces
---
 core/src/main/java/hivemall/tools/map/MapRouletteUDF.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/core/src/main/java/hivemall/tools/map/MapRouletteUDF.java b/core/src/main/java/hivemall/tools/map/MapRouletteUDF.java
index 7aa0132..2c78937 100644
--- a/core/src/main/java/hivemall/tools/map/MapRouletteUDF.java
+++ b/core/src/main/java/hivemall/tools/map/MapRouletteUDF.java
@@ -65,9 +65,10 @@ public final class MapRouletteUDF extends GenericUDF {
 
     @Override
     public ObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException {
-        if (arguments.length != 1)
+        if (arguments.length != 1) {
             throw new UDFArgumentLengthException(
                 "Expected one arguments for map_find_max_prob: " + arguments.length);
+        }
         if (arguments[0].getCategory() != ObjectInspector.Category.MAP) {
             throw new UDFArgumentTypeException(0,
                 "Only map type arguments are accepted for the key but " + arguments[0].getTypeName()