GRH13

Change-Id: Idf194606c0a6227a571e4f1a28b61cf20ae04975
diff --git a/core/build_id.mk b/core/build_id.mk
index db50fce..a07bec5 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -19,4 +19,4 @@
 # (like "CRB01").  It must be a single word, and is
 # capitalized by convention.
 
-export BUILD_ID=GRH12
+export BUILD_ID=GRH13