GWK15B

Change-Id: Ic5b7128218c8d7a20b85b5208b158f7901b6ac20
diff --git a/core/build_id.mk b/core/build_id.mk
index 3cce1ed..bab57cd 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -20,3 +20,4 @@
 # capitalized by convention.
 
 export BUILD_ID=GWK15B
+