Tell editors that these are Makefiles (or fragments thereof).

Change-Id: I0c5e29ac750b9605b1e8f823d6998d31a933b7a4
diff --git a/NativeCode.mk b/NativeCode.mk
index b5cc769..d4960c5 100644
--- a/NativeCode.mk
+++ b/NativeCode.mk
@@ -1,3 +1,4 @@
+# -*- mode: makefile -*-
 # Copyright (C) 2007 The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -101,7 +102,7 @@
 LOCAL_MODULE := libjavacore
 
 ifneq ($(TARGET_SIMULATOR),true)
-LOCAL_C_INCLUDES += external/stlport/stlport bionic/ bionic/libstdc++/include 
+LOCAL_C_INCLUDES += external/stlport/stlport bionic/ bionic/libstdc++/include
 LOCAL_SHARED_LIBRARIES += libstlport
 endif