Use -Werror in external/libnl

Bug: 66996870
Test: build with WITH_TIDY=1
Change-Id: Ic8a253d601f3e7c1ed04334ed0909e2cc5ce66dc

1 files changed, 2 insertions, 0 deletions

diff --git a/Android.bp b/Android.bp
index f7b0a106..7205e1b4 100644
--- a/Android.bp
+++ b/Android.bp
@@ -41,6 +41,8 @@ cc_library {
     export_include_dirs: ["include"],
     cflags: [
         "-D_BSD_SOURCE",
+        "-Wall",
+        "-Werror",
         "-Wno-unused-parameter",
         "-Wno-sign-compare",
         "-Wno-missing-field-initializers",