Add liblog

Bug: 8580410
Change-Id: I89a92f329d721a07a2ae1410b4b86894d4eb9537
diff --git a/pppd/Android.mk b/pppd/Android.mk
index 39ed9bc..6552f11 100644
--- a/pppd/Android.mk
+++ b/pppd/Android.mk
@@ -25,7 +25,7 @@
 	pppox.c
 
 LOCAL_SHARED_LIBRARIES := \
-	libcutils libcrypto
+	libcutils liblog libcrypto
 
 LOCAL_C_INCLUDES := \
 	$(LOCAL_PATH)/include