Use -Werror in external/kmod am: 84d0ce6022
am: 7a6a120af3

Change-Id: I2c991ad2eff1bc6f83366c38f0c7b12c3e3949fc
diff --git a/Android.bp b/Android.bp
index 44cd399..0736aab 100644
--- a/Android.bp
+++ b/Android.bp
@@ -35,6 +35,7 @@
         "-ffunction-sections",
         "-fdata-sections",
         "-Wall",
+        "-Werror",
         "-Wno-unused-parameter",
         "-Wno-unused-variable",
         "-Dsecure_getenv=getenv",