am 490f03d5: am 3ea87c33: Fix build breakage for missing -Wcpp option on old GCC versions.

* commit '490f03d560e873ad73f964815ca109381efec147':
  Fix build breakage for missing -Wcpp option on old GCC versions.
diff --git a/liblog/tests/Android.mk b/liblog/tests/Android.mk
index 255dc2e..cd1bf33 100644
--- a/liblog/tests/Android.mk
+++ b/liblog/tests/Android.mk
@@ -59,7 +59,8 @@
     -g \
     -Wall -Wextra \
     -Werror \
-    -fno-builtin
+    -fno-builtin \
+    -std=gnu++11
 
 test_src_files := \
     liblog_test.cpp