Merge pull request #13674 from jakesmith/hpcc-23934-buildall-fix

HPCC-23934 Missing '\' in buildall.sh

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>

dockerfiles/buildall.sh

@@ -75,7 +75,7 @@ build_image() {
   if ! docker pull hpccsystems/${name}:${label} ; then
     docker image build -t hpccsystems/${name}:${label} \
        --build-arg BASE_VER=${BASE_VER} \
-       --build-arg DOCKER_REPO=hpccsystems
+       --build-arg DOCKER_REPO=hpccsystems \
        --build-arg BUILD_TAG=${BUILD_TAG} \
        --build-arg BUILD_LABEL=${BUILD_LABEL} \
        --build-arg BUILD_USER=${BUILD_USER} \