Enable the 'build/include_alpha' rules to make lint check that the

includes are correctly alphabetized.

diff --git a/scripts/cpp_lint.py b/scripts/cpp_lint.py
index 76eee4b..3f0ca1c 100755 (executable)
--- a/scripts/cpp_lint.py
+++ b/scripts/cpp_lint.py
@@ -210,7 +210,6 @@ _ERROR_CATEGORIES = [
 # off by default (i.e., categories that must be enabled by the --filter= flags).
 # All entries here should start with a '-' or '+', as in the --filter= flag.
 _DEFAULT_FILTERS = [
-  '-build/include_alpha',
   '-build/include_dir',
   '-readability/todo',
   ]