HCATALOG-598 set svn executable property on build-support/scripts/release.sh

git-svn-id: https://svn.apache.org/repos/asf/incubator/hcatalog/trunk@1435341 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/build-support/scripts/release.sh b/build-support/scripts/release.sh
old mode 100644
new mode 100755