Use -Werror in external/dhcpcd-6.8.2 am: b828aa31f3 am: 10a0659b1f am: f472281e9d
am: 9d31c1720e

Change-Id: I2b1f46d8408ca3f2645f0087240bbf27572fca38
diff --git a/Android.mk b/Android.mk
index 36ab085..9d1d8c5 100644
--- a/Android.mk
+++ b/Android.mk
@@ -44,7 +44,7 @@
     compat/posix_spawn.c
 
 # Always support IPv4.
-LOCAL_CFLAGS += -DINET
+LOCAL_CFLAGS += -DINET -Wall -Werror -Wno-unused-variable
 
 ifeq ($(DHCPCD_USE_SCRIPT), yes)
 LOCAL_SRC_FILES += script.c