Turn on -Wunused and fix the mistakes it uncovers.
Change-Id: I023d2d8b547fbc21d4124bb7510d42b06a0dc501
diff --git a/linker/tests/Android.mk b/linker/tests/Android.mk
index 831cfcb..683f9ee 100644
--- a/linker/tests/Android.mk
+++ b/linker/tests/Android.mk
@@ -26,7 +26,7 @@
LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
-LOCAL_CFLAGS += -g -Wall -Wextra -Werror -std=gnu++11
+LOCAL_CFLAGS += -g -Wall -Wextra -Wunused -Werror -std=gnu++11
LOCAL_C_INCLUDES := $(LOCAL_PATH)/../../libc/
LOCAL_SRC_FILES := \