Use -Werror in external/libvncserver am: 255a48f0c9 am: 6f5f663832
am: 03d48e8b51

Change-Id: Ibc6163c04011b5b207d1264c7590f2567872003c
diff --git a/Android.mk b/Android.mk
index 7eeae59..981beae 100644
--- a/Android.mk
+++ b/Android.mk
@@ -44,7 +44,14 @@
                    test/bmp.c
 
 LOCAL_STATIC_LIBRARIES := libz libpng libjpeg libssl
-LOCAL_CFLAGS := -D__ANDROID__ -DHAVE_LIBSSL -DWITH_WEBSOCKETS
+LOCAL_CFLAGS := \
+    -D__ANDROID__ -DHAVE_LIBSSL -DWITH_WEBSOCKETS \
+    -Wall -Werror \
+    -Wno-missing-field-initializers \
+    -Wno-sign-compare \
+    -Wno-tautological-compare \
+    -Wno-unused-parameter \
+    -Wno-user-defined-warnings \
 
 #LOCAL_SDK_VERSION := 14