Bump the RPM repository package to release 4

The inclusion of all architectures output involves the re-release
of the RPM repository package, so that existing setups can be
updated.

Change-Id: I2dcc5ff8e79c10130cd353db801240b56d0dc3f7
diff --git a/yum-repo/Makefile b/yum-repo/Makefile
index f1022ed..2d7ab2d 100644
--- a/yum-repo/Makefile
+++ b/yum-repo/Makefile
@@ -2,7 +2,7 @@
 # to produce a yum.repo for a VENDOR distribution
 # Default values are pointing to GerritForge (www.gerritforge.com)
 VERSION=1
-RELEASE=3
+RELEASE=4
 VENDOR=GerritForge
 VENDOR_LC=$(shell echo $(VENDOR) | tr A-Z a-z)
 WEB_URL=http://$(VENDOR_LC).com