Roll external/effcee/ ae38e040c..63394054b (4 commits)

https://github.com/google/effcee/compare/ae38e040cbb7...63394054b5af

Created with:
  roll-dep external/effcee

DEPS

diff --git a/DEPS b/DEPS
index c4e876e..4f510c6 100644
--- a/DEPS
+++ b/DEPS
@@ -5,7 +5,7 @@
 
   'abseil_revision': '30bba84041ba0aadd2c31b52742b8157db047a2f',
 
-  'effcee_revision': 'ae38e040cbb7e83efa8bfbb4967e5b8c8c89b55a',
+  'effcee_revision': '63394054b5afa14aee3e32bd12b227eb7225b871',
 
   'googletest_revision': 'd72f9c8aea6817cdf1ca0ac10887f328de7f3da2',