Merge \\\"iputils assumes _GNU_SOURCE.\\\" am: 2bb2e02629 am: 51c9113793
am: 15812b1548

Change-Id: I855d8eb70da75acefae57e477b559638e6cc225a
diff --git a/Android.mk b/Android.mk
index 5f5d72b..b2a4f9a 100644
--- a/Android.mk
+++ b/Android.mk
@@ -1,6 +1,7 @@
 LOCAL_PATH:= $(call my-dir)
 
 iputils_cflags := \
+  -D_GNU_SOURCE \
   -Wno-missing-field-initializers \
   -Wno-sign-compare \
   -Wno-unused-parameter \