Merge "Use -Werror in external/iputils" am: 72e5e192a5 am: a90e2a2f2c
am: e8193a1eb3

Change-Id: If53e1f1ee4da9f8c06160cf394c8059c19e4b003
diff --git a/Android.mk b/Android.mk
index 4bc8f44..e0acf1a 100644
--- a/Android.mk
+++ b/Android.mk
@@ -2,6 +2,8 @@
 
 iputils_cflags := \
   -D_GNU_SOURCE \
+  -Wall -Werror \
+  -Wno-constant-conversion \
   -Wno-missing-field-initializers \
   -Wno-sign-compare \
   -Wno-unused-parameter \