Version bump to OPR3.170623.013

Change-Id: Ib813d1d0f7642033069079acf702640edbe072ce
diff --git a/core/build_id.mk b/core/build_id.mk
index 93b0647..815bfb3 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -18,4 +18,4 @@
 # (like "CRB01").  It must be a single word, and is
 # capitalized by convention.
 
-export BUILD_ID=OPR3.170623.012
+export BUILD_ID=OPR3.170623.013