Minor fix: Choose use idiomatic Utils.incMod

com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/Choose.java

@@ -32,6 +32,7 @@ import com.oracle.truffle.r.runtime.RBuiltinKind;
 import com.oracle.truffle.r.runtime.RError;
 import com.oracle.truffle.r.runtime.RError.Message;
 import com.oracle.truffle.r.runtime.RRuntime;
+import com.oracle.truffle.r.runtime.Utils;
 import com.oracle.truffle.r.runtime.data.RDataFactory;
 import com.oracle.truffle.r.runtime.data.model.RAbstractDoubleVector;
 import com.oracle.truffle.r.runtime.data.model.RAbstractIntVector;
@@ -91,8 +92,8 @@ public abstract class Choose extends RBuiltinNode {
         for (int i = 0, nIdx = 0, kIdx = 0; i < resultLen; i++) {
             result[i] = choose(getN.applyAsDouble(nIdx), getK.applyAsInt(kIdx));
             complete &= result[i] != RRuntime.DOUBLE_NA;
-            nIdx = (nIdx + 1) % nLength;
-            kIdx = (kIdx + 1) % kLength;
+            nIdx = Utils.incMod(nIdx, nLength);
+            kIdx = Utils.incMod(kIdx, kLength);
         }
         return RDataFactory.createDoubleVector(result, complete);
     }