Remove warning

Change-Id: Ia1523d02dc2b7f58ca26a142a5aef710792a5f3d
diff --git a/libs/hwui/Android.mk b/libs/hwui/Android.mk
index 3433d0e..771ac45 100644
--- a/libs/hwui/Android.mk
+++ b/libs/hwui/Android.mk
@@ -22,6 +22,7 @@
 		Extensions.cpp \
 		FboCache.cpp \
 		GradientCache.cpp \
+		Image.cpp \
 		Layer.cpp \
 		LayerCache.cpp \
 		LayerRenderer.cpp \