Fix build some more

Missed one.

(cherry picked from commit f7f080ce62a4a448ef7ac6cc9bddfd55e615710a)

Change-Id: I33bf8bcc651330b9bc434da02c47c29bc0d54369
diff --git a/liblog/Android.mk b/liblog/Android.mk
index a4c52e7..a23de2d 100644
--- a/liblog/Android.mk
+++ b/liblog/Android.mk
@@ -71,7 +71,9 @@
 include $(CLEAR_VARS)
 LOCAL_MODULE := liblog
 LOCAL_WHOLE_STATIC_LIBRARIES := liblog
+ifeq ($(strip $(HOST_OS)),linux)
 LOCAL_LDLIBS := -lrt
+endif
 include $(BUILD_HOST_SHARED_LIBRARY)