Fix build some more

Missed one.

Change-Id: Ic014efd927beb2df63657951e6b0f15d94e927f8
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)