Use -Werror in external/jsmn am: 1f3a063ac0 am: 96a4b65b38 am: c449feea9f
am: 748637f95e

Change-Id: I922d70dbf6535212fa372b5a8dacb45ff3166ff9
diff --git a/Android.bp b/Android.bp
index fe31fec..10a51ae 100644
--- a/Android.bp
+++ b/Android.bp
@@ -18,5 +18,6 @@
     name: "libjsmn",
     vendor_available: true,
     srcs: ["jsmn.c"],
+    cflags: ["-Wall", "-Werror"],
     export_include_dirs: ["."],
 }