Minor rename.

Rename two dummy-result variables to "unused".

Change-Id: Ib3e49436904123c6ceebe9bfb6e461f654209b23
diff --git a/vm/Jni.c b/vm/Jni.c
index 43c8b4b..4a8d2b8 100644
--- a/vm/Jni.c
+++ b/vm/Jni.c
@@ -3591,7 +3591,7 @@
     JNI_ENTER();
 
     Thread* self = _self /*dvmThreadSelf()*/;
-    JValue callResult;
+    JValue unused;
     jobject result = NULL;
     ClassObject* bufferClazz = gDvm.classJavaNioReadWriteDirectByteBuffer;
 
@@ -3603,7 +3603,7 @@
         /* call the constructor */
         result = addLocalReference(env, newObj);
         dvmCallMethod(self, gDvm.methJavaNioReadWriteDirectByteBuffer_init,
-                newObj, &callResult, (jint) address, (jint) capacity);
+                newObj, &unused, (jint) address, (jint) capacity);
         if (dvmGetException(self) != NULL) {
             deleteLocalReference(env, result);
             result = NULL;
diff --git a/vm/reflect/Annotation.c b/vm/reflect/Annotation.c
index a5007ba..6357014 100644
--- a/vm/reflect/Annotation.c
+++ b/vm/reflect/Annotation.c
@@ -716,7 +716,7 @@
     u4 elementNameIdx;
     const char* name;
     AnnotationValue avalue;
-    JValue result;
+    JValue unused;
     bool failed = true;
 
     elementNameIdx = readUleb128(pPtr);
@@ -760,7 +760,7 @@
 
     /* call 4-argument constructor */
     dvmCallMethod(self, gDvm.methOrgApacheHarmonyLangAnnotationAnnotationMember_init,
-        newMember, &result, nameObj, valueObj, methodReturn, methodObj);
+        newMember, &unused, nameObj, valueObj, methodReturn, methodObj);
     if (dvmCheckException(self)) {
         LOGD("Failed constructing annotation element\n");
         goto bail;