libevent should admit to needing BSD extensions. am: ffa217284b
am: f8e6f9f702

Change-Id: I132d16fb652cd8f725e34e23d86c251852620c6d
diff --git a/Android.mk b/Android.mk
index 72eca2b..dffa0b4 100644
--- a/Android.mk
+++ b/Android.mk
@@ -52,6 +52,7 @@
 	$(libevent_extra_src)
 
 libevent_cflags := \
+	-D_BSD_SOURCE \
 	-O3 \
 	-Wno-implicit-function-declaration \
 	-Wno-strict-aliasing \