Update publish script for release build.

org.eclipse.gmf.runtime.repository/gmf-runtime-kepler-publish.sh

diff --git a/org.eclipse.gmf.runtime.repository/gmf-runtime-kepler-publish.sh b/org.eclipse.gmf.runtime.repository/gmf-runtime-kepler-publish.sh
index 0bd3d7c..32cabd3 100644
--- a/org.eclipse.gmf.runtime.repository/gmf-runtime-kepler-publish.sh
+++ b/org.eclipse.gmf.runtime.repository/gmf-runtime-kepler-publish.sh
@@ -165,9 +165,11 @@
 	if [ -n "$dropFilesLabel" ]; then
 		version=$version$dropFilesLabel
 		echo "version is now $version"
-	else
+	elif [ "$buildType" != r -a "$buildType" != R ]; then
 		version="$(echo $buildType | tr '[:lower:]' '[:upper:]')$qualifier"
 		echo "version is now $version"
+	else
+		echo "version is now $version"
 	fi
 				
 	# gmf-runtime runtime