VOL-519 modify chwon owner group format.

Change-Id: I5d0ca8b0e128c68c6957caaed69346c7b84d12a4
diff --git a/envoy/go/envoyd/build_binary.sh b/envoy/go/envoyd/build_binary.sh
index 333a1a4..1772809 100755
--- a/envoy/go/envoyd/build_binary.sh
+++ b/envoy/go/envoyd/build_binary.sh
@@ -6,5 +6,5 @@
 #/build.sh
 uid=`id -u`
 gid=`id -g`
-sudo chown -R ${uid}.${gid} buildreport
-sudo chown ${uid}.${gid} envoyd
+sudo chown -R ${uid}:${gid} buildreport
+sudo chown ${uid}:${gid} envoyd