Ensure that BoxPrimitive only sees clean data...

...rather than forcing it to zero irrelevant bits itself.

Change-Id: Ibbd28db08b68fac84704a911a6f927f7d9343055
diff --git a/src/reflection.h b/src/reflection.h
index a286a57..f5173d9 100644
--- a/src/reflection.h
+++ b/src/reflection.h
@@ -27,8 +27,8 @@
 class Object;
 
 void InitBoxingMethods();
-void BoxPrimitive(JNIEnv* env, Primitive::Type src_class, JValue& value);
-bool UnboxPrimitive(JNIEnv* env, Object* o, Class* dst_class, JValue& unboxed_value, const char* what);
+void BoxPrimitive(Primitive::Type src_class, JValue& value);
+bool UnboxPrimitive(Object* o, Class* dst_class, JValue& unboxed_value, const char* what);
 
 bool ConvertPrimitiveValue(Primitive::Type src_class, Primitive::Type dst_class, const JValue& src, JValue& dst);